Blue Lily of the Nile

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SEE HOW YOUR TREE ARRIVES
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1 gallon, 6"
3 gallon, 8 to 10"
5 gallon, 10 to 12"
7 gallon, 14"
10 gallon, 15 to 17"
15 gallon, 17"
"Jumbo", 7 or 10 or 15 gallon

*Nursery gallon sizes are trade sizes and do not equal standard liquid gallons

**Pot sizes in inches refer to container width (diameter), not plant or pot height.


Please Note: Sizing can differ between plant varieties and growers. Please chat with us if you need clarification.

For more information on sizing, please see our guide.

The Blue Lily of the Nile is known for its striking clusters of blue or violet flowers atop tall, graceful stems. This plant adds a bold splash of color to gardens and landscapes, making it a stunning focal point with its showy blooms and lush, green foliage.

  • Botanical name: Agapanthus praecox
  • Bloom time: Summer
  • Grown in the USA

SUNLIGHT:
Prefers full sun to partial shade

WATER:
Water regularly, keeping the soil consistently moist but not waterlogged. Approximately every 1-2 weeks. Watering frequency may vary depending on climate and the plant’s establishment phase.

IDEAL CLIMATE:
Hardy in USDA Zones 7-11; thrives in temperate to warm climates with well-draining soil

Note: Blue Lily of the Nile may experience some natural dieback of older foliage, which is typical and helps promote new growth and blooming. Regular removal of spent blooms can also encourage more vigorous flowering.

PLANT DESCRIPTION & MATURE SIZE

The Blue Lily of the Nile, scientifically known as Agapanthus africanus, is a striking perennial that adds a touch of the exotic to gardens and landscapes. This plant is renowned for its bold blue to violet flower clusters that draw in various pollinators. With proper care, the Blue Lily of the Nile flourishes in diverse climates and boasts extended flowering seasons, making it a prime choice for gardeners desiring to accentuate their outdoor space with nature's sophisticated charm.

GROWTH RATE & MATURE SIZE:

Moderate growth rate; reaches a mature height of 2-4 feet and width of 2-3 feet.

WATERING & SUNLIGHT

The Blue Lily of the Nile thrives in full sun to partial shade, receiving at least 6 hours of sunlight per day. Water regularly, keeping the soil evenly moist during the growing season. Once established, it can tolerate some drought, but it's best to water during extended dry periods.

PLANT CARE & PLANTING INSTRUCTIONS

PRUNING:
Remove faded flowers on Blue Lily of the Nile to encourage continuous blooming. Trim back frost-damaged foliage in late fall or early spring to maintain a tidy appearance.

FERTILIZING:
Apply a balanced fertilizer in early spring to support healthy growth and abundant blooms, following package instructions. Avoid fertilizing for the first 2–3 months after delivery to allow the plant to adjust and establish.

WINTER PROTECTION:
While generally hardy, mulch around the base in colder climates to insulate roots during winter.

PLANTING INSTRUCTIONS:

Choose a sunny to partially shaded spot with well-draining soil. Dig a hole twice as wide as the root ball and the same depth. Plant the Agapanthus, backfill with soil, and water thoroughly. Space plants about 18-24 inches apart to allow for mature growth.

USDA GROW ZONE:

Zones 7-11

Blue Lily of the Nile is suited for USDA Zones 7-11. It prefers well-drained soil and performs best in full sun to partial shade. In cooler climates, it can be grown as an annual or overwintered indoors. This plant is adaptable to a range of soil types but thrives in conditions that offer a balance of moisture and good drainage.

Frequently Asked Questions

Blue Lily of the Nile typically grows about 2–4 feet tall and 2–3 feet wide. Flower stalks rise above the foliage, adding extra height during bloom.

Blue Lily of the Nile is a moderate grower, typically adding about 6 to 12 inches per year under ideal conditions.

Plant in full sun to partial shade with well-draining soil. It performs best in areas with plenty of sunlight and good airflow.

Space plants about 2–3 feet apart to allow room for clumping growth and proper airflow.

Blue Lily of the Nile typically blooms in late spring through summer, producing tall stems topped with clusters of blue flowers.

Blue Lily of the Nile thrives in USDA Zones 7–11. It prefers warm climates and performs best in areas with mild winters.

Yes, Blue Lily of the Nile spreads by forming clumps over time. It gradually expands outward and can be divided every few years to control size or create new plants.

Yes, Blue Lily of the Nile grows very well in containers and often blooms best when slightly root-bound, making it a great option for patios and entryways.

In warm climates, Blue Lily of the Nile is evergreen. In cooler areas, it may die back in winter and regrow in spring.

Lack of blooms is often caused by too much shade, over-fertilizing, or the plant not being established. Agapanthus also tends to bloom better when slightly root-bound, especially in containers.

More Details

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.

Please allow additional ship times during inclement weather and sale periods. We do not process or ship orders on the weekend or U.S. Holidays. Simply Trees is not responsible for delays due to carriers, local disruptions, or weather.

See how we pack your plants!

Learn more about our Shipping Policy

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 sales@simplytrees.com with clear photos of the entire plant in question for assistance. Our 1 year guarantee covers issues after planting, subject to our terms. 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 1 year guarantee and how we ensure a fair process, click here to learn more.

All California orders require a mandatory inspection by the Texas Department of Agriculture (yep, it’s a USDA thing!). These inspections happen about once a week—typically on Tuesdays, though the day can vary. If you place an order just after an inspection, your plant may not ship for several days until the next one. Unfortunately, we’re not able to expedite this part of the process.

Also, due to USDA regulations, we’re unable to ship oak trees, citrus or fruit trees (except olive trees) to California. This rule helps prevent the spread of pests and diseases and applies to nurseries across the country.

Thanks for your patience—we’ll make sure it’s worth the wait.

What's inside?

Your order from Simply Trees is more than just a box of plants—it’s a carefully curated experience. Here’s what’s inside:

  • We hand-select our plants for premium-quality from top growers nationwide
  • Each plant is then cleaned, prepped, and pruned to remove any blemishes and encourage new growth
  • Expertly treated and inspected for preventative measure
  • The pot is wrapped in a durable plastic bag and secured with a zip tie; house plants get extra protection with a recyclable nursery bag. Some Jumbo plants may be carefully removed from their nursery pot and burlapped to protect the rootball and ensure safe transit.
  • Your plant is strapped into our durable double-pane boxes, secured in place with a heavy-duty zip tie to ensure safe transit
  • A thank you card with a QR code leads to our guide on welcoming your new plants home

We take pride in making sure every detail is just right, so you can enjoy your new greenery from the moment it arrives.

SUSTAINABLE SHIPPING, QUALITY CARE

We've perfected the art of packaging and shipping plants and trees! Unlike most online retailers, we handle everything in-house—no third-party fulfillment. Our experienced team carefully packages your plants to ensure they arrive from our farm to your door in perfect condition.