Simply Trees

Alexandra Bougainvillea

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Twice a monthFull sunSpring to fall
The Bougainvillea 'Alexandria' is a striking and vibrant plant that is sure to be a showstopper in any garden. This beautiful plant is known for its bright and colorful blooms that range from shades of pink and red to vibrant purple. At maturity, it can grow to be anywhere from 10 to 20 feet tall, making it a great choice for a trellis or fence. With its easy-to-care-for nature and stunning blooms, the Bougainvillea 'Alexandria' is a must-have for any avid gardener or plant enthusiast looking to add a touch of color and beauty to their outdoor space.

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Alexandra Bouganvillea, scientifically known as Bougainvillea 'Alexandra', is a stunningly beautiful flowering plant that can add a pop of color to any garden or landscape. This plant is known for its vibrant and showy bracts, which are available in shades of pink, magenta, orange, and red. With proper care, this plant can thrive in warm climates and produce abundant blooms throughout the growing season, making it a great choice for gardeners looking to add a touch of tropical flair to their outdoor space.

Growth rate: Fast growth rate; can reach heights of 15-40 feet when supported.

Please note: Images on our website depict plants and trees at full maturity to showcase their expected grown characteristics. These images are illustrative examples only and do not represent the size of plants or trees upon delivery.

Pruning: Bougainvilleas require minimal pruning, and it should be done only in spring or early summer to shape or control the size of the plant.

Fertilization: Fertilize the plant with a balanced fertilizer, low in nitrogen and high in phosphorus and potassium every four to six weeks during the growing season.

Winter Protection: In cooler areas of its range, protect from frost or grow in containers that can be moved indoors during cold weather.

Choose a location with well-draining soil and full sun exposure. Dig a hole as deep and twice as wide as the root ball. Place the plant in the hole, backfill with soil, and water thoroughly. Provide a support structure for climbing. Water regularly to establish the plant, then reduce frequency, as Bougainvillea prefers a drier climate.

Alexandra Bouganvillea thrives in full sun and requires well-drained soil to prevent waterlogging. When watering, the soil should be allowed to dry slightly between waterings. In general, it is recommended to water deeply but infrequently, rather than shallowly and frequently, to encourage the development of deep roots. During the summer months, this plant may require more frequent watering to prevent the leaves from wilting.

We process and ship your order as quickly as possible, typically within 1-3 business days. You will receive a shipping confirmation with tracking information once your item(s) ship.

We have perfected packaging and shipping plants & trees! That is why we DO NOT use any third-party fulfillment like most other online retailers. Your trees go straight from our farm to your door, safely packaged by our team of seasoned professionals. Our process ensures your plants leave our facility and arrive to your door in the best condition possible!

In cases of extreme cold or hot weather, we may temporarily delay shipping to ensure the well-being of your plants. Our primary focus is on delivering healthy and thriving plants to you. Rest assured, we'll make every effort to notify you of any delays promptly.

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At Simply Trees, we're committed to your satisfaction. If your plants arrive considerably damaged or sustained damage beyond the point of recovery, please contact us within five days at with clear photos for assistance. Our 30-day guarantee covers issues after planting, subject to our terms and conditions. We can't cover plants in the wrong climate or with inadequate care, but we're here to help in other situations. For a detailed understanding of our 30-day guarantee and how we ensure a fair process, click here to learn more.


Zones 9-11

The Alexandra Bougainvillea flourishes in USDA Zones 9-11, thriving in warm, tropical, and subtropical climates. It is well-suited for areas with mild winters and hot, sunny summers. This variety prefers well-drained soils and is highly tolerant of drought once established, making it a resilient choice for various outdoor settings, including coastal environments and urban gardens.

Frequently Asked Questions

The growth rate of bougainvillea can vary depending on several factors, including growing conditions, climate, and care. Generally, bougainvillea is considered a relatively fast-growing plant, especially in its ideal conditions. Here are some factors that can influence its growth rate:

Climate: Bougainvillea tends to grow faster in warm, tropical, or subtropical climates where temperatures remain consistently mild to warm throughout the year. In cooler climates, growth may slow down during the winter months.

Sunlight: Bougainvillea thrives in full sunlight and grows faster when it receives ample sun exposure. It requires at least 6 to 8 hours of direct sunlight per day to reach its growth potential.

Soil and Drainage: Well-draining soil is essential for bougainvillea. Soil that retains too much water can slow down growth or lead to root problems. Amending the soil with organic matter can improve growth rates.

Watering: Proper watering is crucial. Bougainvillea prefers slightly dry conditions between waterings. Overly wet soil can hinder growth, while consistent but moderate moisture supports healthy growth.

Fertilization: Regular fertilization during the growing season can promote faster growth. Use a balanced, slow-release fertilizer formulated for flowering plants.

Pruning: Pruning can encourage bushier growth and stimulate new shoots. Light pruning during the growing season can help maintain the desired shape and size.

Training and Support: If you're training bougainvillea to climb a trellis or support structure, providing guidance and support for the vines can help speed up the process.

Under optimal conditions, bougainvillea can grow 3 to 6 feet in a single growing season. However, growth rates can vary widely depending on the specific cultivar, local climate, and care practices. Some bougainvillea varieties are naturally more vigorous than others.

It's essential to keep in mind that bougainvillea can be a vigorous and sometimes invasive grower in the right conditions. Regular maintenance, including pruning and training, may be necessary to manage its growth and shape. Additionally, be aware of the potential for the plant's thorns, which can be sharp and require caution when handling and pruning.

Bougainvillea is a perennial plant in its native tropical and subtropical regions. However, whether bougainvillea comes back every year in your specific location depends on the climate and growing conditions in your area.

In regions with mild, frost-free climates:

Bougainvillea can indeed come back year after year as a perennial. It thrives in these areas and often grows vigorously, producing colorful bracts and blooming throughout the year. In such climates, it can become a long-lived and reliable garden plant.

In regions with colder or frost-prone climates:

Bougainvillea is not reliably cold-hardy, and it may not survive the winter in areas where temperatures regularly drop below freezing. In these regions, bougainvillea is typically grown as an annual or as a container plant that can be moved indoors or to a sheltered location during the winter.

To determine whether bougainvillea can come back every year in your area, consider your local climate and average winter temperatures. If you live in a region with cold winters, you may need to take precautions such as providing winter protection, planting it in a container that can be brought indoors, or treating it as an annual and replanting it each spring. In frost-free regions, bougainvillea can be a perennial staple in your garden, providing year-round color and beauty.

Pruning bougainvillea is an essential part of its care to maintain its shape, encourage healthy growth, and promote abundant blooming. Here are some guidelines on how and when to prune your bougainvillea:

When to Prune Bougainvillea:

Late Winter to Early Spring: The best time to perform major pruning on bougainvillea is in late winter to early spring, just before the plant starts its new growth cycle. This period is often referred to as "late winter dormancy" or "pre-spring pruning."

How to Prune Bougainvillea:

Safety Precautions: Wear gloves and protective clothing when pruning bougainvillea, as the plant's thorns can be sharp and cause skin irritation.

Tools: Use sharp, clean pruning shears or loppers. Ensure that the cutting tools are disinfected to prevent the spread of disease.

Remove Dead or Damaged Growth: Begin by removing any dead or damaged branches and stems. These can be pruned back to the nearest healthy growth point.

Shape the Plant: Bougainvillea can be pruned to maintain a desired shape, whether it's a bushy shrub, a climbing vine, or a tree form. Prune branches and stems that are straying from the desired shape.

Reduce Overgrowth: To encourage bushier growth and more blooms, prune back leggy or overly long stems. Cut these stems back to where they meet a lateral branch or node. This will promote branching and new growth.

Deadheading: After each flowering cycle (when the colorful bracts have faded), you can lightly prune or deadhead the spent blooms. This involves trimming the tips of stems that have finished blooming. This can encourage more blooms to form.

Thinning: Periodically thin out crowded or tangled growth to improve air circulation and reduce the risk of pests and diseases. Remove some of the older, woody stems to allow room for new growth.

Lateral Growth: Bougainvillea often produces strong, vertical growth. To encourage lateral branching and a fuller appearance, trim the tips of vertical stems.

Avoid Over-Pruning: While pruning is important, avoid over-pruning, as this can reduce blooming. Bougainvillea blooms primarily on new growth, so excessive pruning can limit its flowering potential.

Remember that bougainvillea can recover quickly from pruning, and it may produce new growth and blooms in response to proper trimming. The extent of pruning depends on your desired shape and size for the plant. Be mindful of the plant's growth habits and aim for a balance between shaping and encouraging blooming.

Bougainvillea is known for its profuse and colorful blooms, but the exact timing of its blooming can vary depending on several factors, including climate and growing conditions. Generally, bougainvillea is known for its extended blooming season, which typically occurs in the following pattern:

Spring: Bougainvillea often begins its first major flush of blooming in late winter to early spring. This initial burst of colorful bracts and flowers can last for several weeks and is often one of the most spectacular displays.

Summer: Bougainvillea continues to bloom through the summer months, and it can produce intermittent blooms during this time. The intensity of summer blooms may vary depending on factors like temperature and moisture.

Fall: In many regions, bougainvillea continues to bloom into the fall, providing vibrant color well into the season. In warmer climates, it may bloom consistently throughout the fall.

Winter: Some bougainvillea varieties may slow down or reduce their blooming during the winter months, especially in regions with colder winters. However, in mild or tropical climates, bougainvillea can continue to bloom year-round.

It's important to note that bougainvillea's colorful display primarily comes from its bracts, which are modified leaves that surround the inconspicuous flowers. The true flowers are small and typically white or cream-colored, and they are enclosed within the colorful bracts.

To encourage continuous blooming in your bougainvillea, provide it with the following:

Full Sun: Ensure that your bougainvillea receives at least 6 to 8 hours of direct sunlight daily for optimal blooming.

Well-Drained Soil: Plant it in well-draining soil to prevent root rot and promote healthy growth.

Pruning: Light pruning can help maintain the desired shape and encourage more blooms. Avoid heavy pruning during the growing season.

Watering: Water the plant regularly but allow the top few inches of soil to dry out between waterings. Avoid overwatering, as it can lead to excessive foliage growth at the expense of blooms.

Fertilization: Use a balanced, slow-release fertilizer formulated for flowering plants during the growing season to support blooming.

Protection from Frost: In colder regions, protect your bougainvillea from frost, which can damage the plant and inhibit blooming.

By providing the right care and growing conditions, you can enjoy the vibrant and long-lasting blooms of your bougainvillea throughout the growing season.

Planting bougainvillea successfully involves several steps to ensure the plant establishes well and thrives in its new location. Here's how to plant bougainvillea:

Timing: Plant bougainvillea in the spring when the weather has warmed up and the threat of frost has passed. Here are the steps:

Choose a Suitable Location:
Select a location that receives full sunlight for at least 6 to 8 hours a day. Bougainvillea thrives in bright, direct sunlight. Ensure that the planting site has well-draining soil. Bougainvillea does not tolerate waterlogged or poorly drained soil.

Prepare the Soil:
Before planting, amend the soil with organic matter like compost to improve drainage and fertility. Test the soil pH, and adjust it if necessary. Bougainvillea prefers slightly acidic to neutral soil (pH 6.0 to 7.0).

Dig a Planting Hole:
Dig a hole that is twice as wide as the root ball but not significantly deeper. Gently remove the bougainvillea from its container and inspect the root system. If the roots are circling the root ball, gently loosen them to encourage outward growth.

Planting Depth:
Place the bougainvillea in the hole at the same depth it was in the container. Planting it too deep can lead to root rot, while planting it too high can expose the roots.

Backfill and Water:
Fill the hole with soil and gently tamp it down to remove air pockets. Water thoroughly after planting to settle the soil and provide initial hydration to the plant.

Apply a layer of organic mulch, such as wood chips or straw, around the base of the plant. Mulch helps retain moisture, regulate soil temperature, and reduce weed competition.

Staking (if needed):
If your bougainvillea is tall or top-heavy, you may need to provide support in the form of stakes or a trellis to prevent it from leaning or falling over.

Pruning (optional):
Some gardeners choose to lightly prune bougainvillea at planting to encourage branching and a bushier growth habit. However, avoid heavy pruning during the growing season, as it can reduce blooming.

Watering and Care:
Water your newly planted bougainvillea regularly during its establishment phase. Once it's established, allow the top few inches of soil to dry out between waterings. Fertilize with a balanced, slow-release fertilizer formulated for flowering plants during the growing season. Avoid over-fertilization, which can lead to excessive foliage growth at the expense of blooms.

Protect from Cold (if applicable):
In regions with occasional frosts or cold winters, be prepared to protect your bougainvillea during cold snaps. Cover the plant with blankets or frost cloth to prevent frost damage.

Properly planted and cared for, bougainvillea can become a stunning addition to your garden, providing vibrant color and lush growth. Be patient, as it may take some time for the plant to become established and produce abundant blooms.

Training bougainvillea to climb a trellis or support structure is a rewarding way to showcase its vibrant blooms and create a beautiful vertical garden feature. Here's how to get bougainvillea to climb a trellis:

Select a Sturdy Trellis: Choose a trellis or support structure that is strong and can withstand the weight of the bougainvillea as it grows. Ensure that it is firmly anchored in the ground or against a wall.

Plant Bougainvillea Near the Trellis:
Plant your bougainvillea close to the base of the trellis or support structure. Make sure it is positioned in a spot where it will receive plenty of sunlight.

Initial Staking (if needed):
If your bougainvillea is young and not yet long enough to reach the trellis, provide temporary support with stakes or bamboo canes. This helps guide the plant toward the trellis.

Encourage Vining Growth:
As the bougainvillea begins to grow, gently guide its stems toward the trellis. Bougainvillea naturally produces long, flexible stems that can be trained to climb.
Use soft ties or garden twine to loosely attach the stems to the trellis as needed. Avoid tying them too tightly to allow for growth and flexibility.

Pruning for Structure:
Prune the bougainvillea periodically to encourage the development of lateral branches and a bushier growth habit. Pinch back the tips of the stems to promote branching.
When you see new stems emerging, direct them toward the trellis and attach them as mentioned earlier.

Train the Main Stems:
Encourage the main stems to climb the trellis by gently bending them in the desired direction. Secure them to the trellis as needed with ties.
Bougainvillea stems are relatively flexible and can be trained horizontally, vertically, or diagonally, depending on your design preference.

Regular Pruning and Maintenance:
Continue to prune and maintain the bougainvillea as it grows. Prune away any dead or overly long stems to keep the plant looking tidy and encourage new growth near the trellis.
Be patient, as bougainvillea may take some time to establish itself on the trellis and begin producing abundant blooms.

Water and Fertilize Appropriately:
Provide consistent watering and follow a fertilization regimen appropriate for bougainvillea to support healthy growth and flowering.

Protect from Frost (if applicable):
If you live in a region with occasional frosts or cold weather, be prepared to protect the bougainvillea and the trellis during cold snaps. Cover the plant and trellis with blankets or frost cloth to prevent damage.

With proper care and training, bougainvillea can cover a trellis with its colorful bracts and create a stunning display of color and texture in your garden or outdoor space. Bougainvillea's vigorous growth habit and climbing abilities make it an excellent choice for vertical gardening projects.

Bougainvillea is a versatile and colorful plant that can be used in various ways to enhance your landscape. Its vibrant bracts and lush foliage make it an attractive addition to gardens and outdoor spaces. Here are different ways to incorporate bougainvillea into your landscape:

Vining Climber:
Train bougainvillea to climb trellises, arbors, pergolas, or fences. It can create a stunning vertical display of colorful bracts, providing shade and a focal point in your garden.

Espalier is a method of training plants to grow flat against a wall or structure. Bougainvillea can be espaliered against walls, buildings, or garden structures to create a living, decorative wall.

Hedge or Privacy Screen:
Plant bougainvillea close together to form a colorful and flowering hedge or privacy screen. It can provide both beauty and privacy in your outdoor space.

Container Planting:
Bougainvillea grows well in containers and can be placed on patios, decks, or balconies. Potted bougainvillea can be moved to different locations to enjoy its blooms where needed.

Ground Cover:
Some low-growing or dwarf bougainvillea varieties can be used as ground cover in sunny areas. They create a carpet of color and are ideal for sloped or banked areas.

Specimen Plant:
Plant a single bougainvillea as a specimen plant in a prominent location, allowing it to showcase its vibrant blooms and provide a focal point in your landscape.

Accent Planting:
Use bougainvillea to add splashes of color and visual interest around your garden. Plant it near entryways, gates, or along pathways to create welcoming accents.

Mixed Borders:
Combine bougainvillea with other flowering shrubs, trees, and perennials to create mixed borders that burst with color and texture throughout the year.

Container Topiary:
Train bougainvillea into a topiary shape in large containers, such as urns or whiskey barrels. With regular pruning and shaping, it can create a unique and eye-catching feature.

Potted Standards or Trees:
Prune bougainvillea into a tree form (standard) and place it in a decorative container. This adds vertical interest and color to your patio or garden.

Garden Walls and Pillars:
Plant bougainvillea near garden walls, pillars, or columns to allow it to cascade over and soften the hardscape with its vibrant blooms.

Cascading from Hanging Baskets:
Some bougainvillea varieties can be grown in hanging baskets or containers, allowing their colorful bracts to cascade down, creating a beautiful display.

Remember that bougainvillea thrives in full sunlight and well-draining soil. It's important to consider its growth habit and potential size when selecting the right location and planting method for your landscape. With its versatility and striking appearance, bougainvillea can add beauty and character to a wide range of landscape designs.

Several factors can contribute to a bougainvillea not blooming as expected. Bougainvilleas are known for their vibrant and abundant bracts (colorful modified leaves), which often surround inconspicuous flowers. Here are some common reasons why your bougainvillea may not be blooming:

Insufficient Sunlight: Bougainvilleas require full sun to bloom profusely. If your plant is not receiving at least 6 to 8 hours of direct sunlight per day, it may not produce as many blooms. Ensure that it is in a location with plenty of sunlight.

Pruning at the Wrong Time: Bougainvilleas produce blooms on new growth. If you prune your bougainvillea at the wrong time, you may be cutting off potential flower buds. Avoid heavy pruning during the growing season when the plant is actively producing new growth and flowers.

Lack of Proper Pruning: While you should avoid excessive pruning during the growing season, some light pruning to remove dead or spent flowers can encourage more blooms. Pruning helps redirect the plant's energy into new growth and flowering.

Nutrient Imbalance: Bougainvilleas benefit from a balanced fertilizer with a higher middle number (phosphorus) to encourage flowering. However, excessive nitrogen can lead to lush foliage at the expense of blooms. Use a fertilizer formulated for flowering plants and follow the recommended application rates.

Improper Watering: Overwatering can lead to lush foliage but may reduce blooming. Allow the top few inches of soil to dry out between waterings. Bougainvilleas are drought-tolerant once established, and they often produce more blooms when slightly stressed by dry conditions.

Root Bound: If your bougainvillea is in a container and becomes root-bound, it may focus its energy on root growth rather than flowering. Repot it into a larger container or consider root pruning and repotting if necessary.

Age of the Plant: Young bougainvillea plants may take some time to establish themselves before they start producing abundant blooms. Be patient, as it can take a year or two for a newly planted bougainvillea to reach maturity and start flowering profusely.

Environmental Stress: Environmental stress factors such as extreme temperatures, wind damage, or insufficient nutrients in the soil can also affect blooming. Ensure that your bougainvillea is growing in suitable conditions.

Pests and Diseases: Pests or diseases, if left untreated, can weaken the plant and hinder blooming. Regularly inspect your bougainvillea for signs of pests like aphids or diseases like powdery mildew and take appropriate measures to control them.

Varietal Differences: Some bougainvillea varieties may naturally bloom less profusely than others. If you have a specific variety like 'Alexandra,' its blooming characteristics may differ from other bougainvillea varieties.

To encourage blooming in your bougainvillea, focus on providing the right growing conditions, including proper sunlight, watering, and pruning. Additionally, ensure that you're using the appropriate fertilizer for flowering plants. With patience and proper care, you can enjoy the beautiful bracts and blooms of your bougainvillea.

Bougainvillea, including the variety 'Alexandra,' is sensitive to cold temperatures and is generally considered a tropical and subtropical plant. While the exact lowest temperature it can tolerate can vary depending on factors like the specific cultivar, the age and health of the plant, and the duration of cold exposure, here are some general guidelines:

Frost Sensitivity: Bougainvillea is highly sensitive to frost and freezing temperatures. Even brief exposure to frost can cause damage to the plant, including browning or wilting of leaves and stems.

Minimum Cold Tolerance: Bougainvillea typically begins to suffer damage when temperatures drop below 32°F (0°C). Prolonged exposure to temperatures in this range or below can lead to more severe damage or even the death of the plant.

Protection: In regions where occasional frosts occur, it's essential to provide protection to bougainvillea during cold snaps. This can include covering the plant with blankets, frost cloth, or burlap to shield it from frost. Additionally, you can move potted bougainvillea indoors or to a sheltered location during cold weather.

Cold-Hardy Varieties: Some bougainvillea cultivars are more cold-hardy than others. 'Alexandra' is not known for its exceptional cold tolerance, so extra care should be taken if you live in an area with chilly winters. If you're in a colder climate, consider selecting a bougainvillea variety that is better suited to cooler temperatures.

Growing in Containers: Growing bougainvillea in containers allows you to bring the plant indoors or into a sheltered area during the winter months. This is a practical option for gardeners in colder climates who want to enjoy bougainvillea's vibrant blooms during the growing season.

In regions with mild winters and minimal frost risk, bougainvillea can thrive as a perennial, providing year-round beauty. However, in areas with colder winters, it may be treated as an annual or overwintered indoors to protect it from freezing temperatures. Proper care and protection can help your bougainvillea survive the winter and continue to flourish in the spring and summer.

Hummingbirds are typically attracted to nectar-producing flowers, and while bougainvillea is not a primary source of hummingbird food, it can still sometimes attract hummingbirds due to its bright, colorful bracts and flowers. Here are some considerations regarding hummingbirds and bougainvillea:

Nectar Availability: Bougainvillea flowers do produce nectar, but it's not a primary source of nectar for hummingbirds. Hummingbirds are more commonly drawn to flowers with tubular shapes that are adapted for their long bills and specialized feeding habits.

Color Attraction: Hummingbirds are often attracted to bright, vibrant colors, including the vivid bracts (modified leaves) of bougainvillea. While they may investigate bougainvillea for nectar, they are more likely to be drawn to other nectar-rich flowers in your garden.

Competition with Other Flowers: Hummingbirds are opportunistic feeders and may visit bougainvillea if there is limited competition from other nectar-producing flowers in the area.

Varietal Differences: Some bougainvillea varieties may have more attractive nectar to hummingbirds than others. Varieties with more nectar-producing flowers may be more likely to draw hummingbirds.

Supplemental Feeding: If you wish to attract hummingbirds to your garden, it's a good idea to plant a variety of nectar-rich flowers that are known to be favorites of hummingbirds. Additionally, you can provide hummingbird feeders filled with a sugar water solution as a supplemental food source.

While bougainvillea may not be a top choice for hummingbirds, it can still contribute to the overall beauty of your garden and may occasionally attract these fascinating birds. To create a hummingbird-friendly garden, consider planting a variety of flowers that are known hummingbird favorites, such as trumpet vine (Campsis radicans), salvia (Salvia spp.), and various types of honeysuckle (Lonicera spp.). This will increase the chances of hummingbirds visiting your garden regularly.

Our Process

We have perfected packaging and shipping plants & trees! That is why we DO NOT use any third-party fulfillment like most other online retailers. Your trees go straight from our farm to your door, safely packaged by our team of seasoned professionals. Our process ensures your plants leave our facility and arrive to your door in the best condition possible!