Simply Trees

Otto Quast Spanish Lavender

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Twice a monthFull sunDeer resistantSpring to summer
  • Vibrant Flower Spikes with Butterfly Bracts: Features dark purple flowers with prominent, petal-like bracts that resemble butterflies, creating a unique and eye-catching display.
  • Long Blooming Season: Provides a prolonged period of color and fragrance from late spring into summer, enhancing garden landscapes and attracting pollinators such as bees and butterflies.
  • Drought and Heat Tolerance: Once established, it requires minimal watering, thriving in hot, dry conditions typical of Mediterranean climates.

More Details

Otto Quast Spanish Lavender, scientifically known as Lavandula stoechas 'Otto Quast', is a standout variety known for its vibrant and showy purple flowers topped with distinctive, butterfly-like purple bracts. This evergreen perennial offers a long blooming season, typically from late spring through summer, filling gardens with its strong, pleasant aroma and adding visual interest. The compact and bushy growth habit of 'Otto Quast' makes it ideal for borders, herb gardens, and container planting. Renowned for its drought resistance and heat tolerance, this Spanish Lavender variety is perfect for gardeners seeking a low-maintenance yet strikingly beautiful addition to their landscape.

Growth rate: Moderate growth rate; typically reaches 18-24 inches in height and width.

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: Light pruning after the first flush of blooms can encourage a second bloom and maintain a compact, bushy form. Prune in early spring to remove old growth and shape the plant.

Fertilization: Apply a light application of a balanced, slow-release fertilizer in early spring to promote healthy growth and abundant flowering.

Winter Protection: In colder areas of its growing zone, provide some protection from harsh winter conditions, such as mulching around the base of the plant.

Choose a location with full sun and well-draining soil. Dig a hole slightly larger than the root ball. Mix in some gravel or sand if soil drainage is poor. Place the plant in the hole, backfill with soil, and water thoroughly. Space plants about 18-24 inches apart to allow for mature spread. Adding gravel mulch can enhance soil drainage, reflect heat upwards to the plant, and maintain soil moisture balance.

Water regularly to establish plants; once established, reduce frequency. Otto Quast Spanish Lavender is drought-tolerant, preferring occasional deep watering to frequent light sprinklings. Thrives in full sun, requiring at least 6 hours of direct sunlight daily to perform best. Full sun exposure ensures maximum flowering and helps keep the foliage healthy and vibrant.

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.

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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 8-11

Otto Quast Spanish Lavender is well-suited to the mild, dry climates found in USDA Zones 8-11, thriving in full sun and well-drained soil. It is an excellent choice for areas that experience hot summers and mild winters, requiring little supplemental watering once established. This lavender's ability to cope with dry conditions and poor soils makes it a versatile choice for xeriscaping and water-wise gardening.

Frequently Asked Questions

Otto Quast Spanish Lavender typically reaches a mature size of about 1 to 3 feet in height and width. However, the actual size may vary depending on growing conditions, such as soil quality, sunlight exposure, and climate. Regular pruning can help maintain its compact shape and encourage healthy growth.

Otto Quast Spanish Lavender is a relatively fast-growing perennial shrub. Under optimal growing conditions, it can typically grow up to 1 to 3 feet in height and spread within a single growing season. However, growth rates may vary depending on factors such as climate, soil quality, and available sunlight. Regular pruning and proper care can help promote healthy growth and abundant flowering.

The best place to plant Otto Quast Spanish Lavender is in a location that receives full sun for at least six to eight hours per day. Choose a spot with well-drained soil, preferably slightly alkaline. Lavender thrives in warm, sunny conditions and dislikes wet feet, so ensure the soil is well-draining to prevent waterlogging. Additionally, consider planting Otto Quast Spanish Lavender in a spot where it can be appreciated for its fragrant blooms and attractive foliage, such as along pathways, in rock gardens, or as part of a sunny border or container garden.

To care for Otto Quast Spanish Lavender, follow these guidelines:

Sunlight: Plant in a location that receives full sun for at least six to eight hours per day. Lavender thrives in bright sunlight and warm temperatures.

Well-drained soil: Ensure the soil is well-draining and slightly alkaline. Lavender dislikes wet feet, so avoid waterlogged or poorly draining soil.

Watering: Water deeply but infrequently, allowing the soil to dry out between waterings. Lavender is drought-tolerant once established, so avoid overwatering to prevent root rot.

Pruning: Prune Otto Quast Spanish Lavender after the first flush of blooms to encourage reblooming and maintain a compact shape. Trim back spent flower stems and lightly shape the plant as needed.

Fertilization: Lavender typically doesn't require much fertilization. Apply a balanced fertilizer sparingly in early spring if necessary, but avoid over-fertilizing, which can lead to excessive foliage growth at the expense of flowers.

Winter protection: In colder climates, provide winter protection by mulching around the base of the plant to insulate the roots from freezing temperatures.

Pest and disease management: Lavender is generally resistant to pests and diseases. Monitor for common issues such as aphids, spider mites, and fungal diseases, and treat promptly if necessary.

Propagation: Propagate Otto Quast Spanish Lavender through softwood cuttings taken in spring or summer. Ensure the cuttings have a node and remove lower leaves before planting in well-draining soil.

By providing the right growing conditions and minimal maintenance, you can enjoy the fragrant blooms and attractive foliage of Otto Quast Spanish Lavender in your garden.

Otto Quast Spanish Lavender prefers well-drained soil and does not tolerate excessive moisture. Watering frequency depends on factors such as climate, soil type, and weather conditions. In general, water newly planted lavender deeply once or twice per week during the growing season to establish a healthy root system. Once established, lavender is drought tolerant and requires less frequent watering. Allow the soil to dry out between waterings, and avoid overwatering to prevent root rot and other moisture-related issues. Adjust watering frequency based on weather conditions, ensuring the soil remains moderately moist but not waterlogged.

Otto Quast Spanish Lavender thrives in full sunlight. It requires at least 6 to 8 hours of direct sunlight each day to grow and bloom successfully. Planting it in a location with full sun exposure ensures optimal growth, flowering, and overall health of the plant. In areas with hot climates, providing some afternoon shade can be beneficial to prevent stress from intense heat. However, in general, this lavender variety prefers as much sunlight as possible to flourish.

To encourage more blooms on your Otto Quast Spanish Lavender, you can follow these tips:

Pruning: Regularly prune the plant after each flowering cycle to encourage new growth and stimulate additional blooms. Remove spent flower spikes by cutting them back to just above the foliage.

Deadheading: Remove faded or spent flowers promptly to prevent the plant from putting energy into seed production. This encourages the plant to produce more flowers instead.

Sunlight: Ensure your lavender receives full sunlight for at least 6 to 8 hours a day. Lack of sunlight can reduce blooming.

Well-draining soil: Lavender plants prefer well-draining soil. If your soil retains too much moisture, it can lead to root rot and inhibit blooming. Consider amending the soil with sand or perlite to improve drainage.

Proper watering: While lavender is drought-tolerant once established, consistent moisture is important, especially during the plant's active growing season. Water deeply but infrequently to encourage deep root growth. Avoid overwatering, as it can cause root rot and affect blooming.

Fertilization: Lavender plants generally do not require heavy fertilization. Too much nitrogen can encourage foliage growth at the expense of flowers. Instead, use a low-nitrogen, balanced fertilizer or a fertilizer formulated specifically for flowering plants, and apply it sparingly in spring.

Air circulation: Ensure good air circulation around the plant to prevent humidity buildup, which can lead to fungal diseases that affect flowering.

By providing the right growing conditions and proper care, you can encourage your Otto Quast Spanish Lavender to produce more blooms throughout the growing season.

Yes, Otto Quast Spanish Lavender is edible, but it's important to note that Spanish lavender varieties, including 'Otto Quast,' typically have a stronger, more pungent flavor compared to English lavender varieties. The flowers and leaves of Spanish lavender can be used in culinary applications, such as:

Herbal Teas: The dried flowers and leaves can be used to make herbal teas, either alone or in combination with other herbs.

Culinary Garnish: Fresh or dried lavender flowers make a beautiful and fragrant addition to salads, desserts, and cocktails as a decorative garnish.

Flavoring: Lavender can be used sparingly to flavor baked goods, such as cookies, cakes, and shortbread.

Infusions: Lavender-infused syrups, sugars, or oils can add a subtle floral flavor to a variety of dishes, including sauces, dressings, and marinades.

When using lavender in cooking, it's important to use it sparingly, as its flavor can be quite strong. Additionally, be sure to use culinary lavender that has not been treated with pesticides or other chemicals.

To protect Otto Quast Spanish Lavender during the winter months, especially in colder climates where frost or freezing temperatures are common, consider the following tips:

Mulching: Apply a layer of organic mulch, such as straw, shredded leaves, or pine needles, around the base of the lavender plant. This helps to insulate the roots and soil, providing some protection against freezing temperatures.

Avoid Overwatering: Reduce watering frequency during the winter months to prevent excess moisture around the roots, which can increase the risk of frost damage.

Covering: In regions with occasional frost or light freezes, you can cover the lavender plant with a frost cloth or blanket during cold nights. Be sure to remove the cover during the day to allow sunlight and air circulation.

Plant Location: If possible, plant Otto Quast Spanish Lavender in a sheltered location, such as near a south-facing wall or in a protected garden bed, to provide some natural protection from harsh winter winds.

Pruning: Avoid heavy pruning in late fall or winter, as this can stimulate new growth that may be more susceptible to frost damage. Instead, wait until early spring to prune any dead or damaged branches.

By taking these precautions, you can help protect Otto Quast Spanish Lavender from winter damage and ensure its health and vigor when the warmer weather returns.

Otto Quast Spanish Lavender typically blooms intermittently throughout the spring and summer months, starting in late spring and continuing into early summer. The exact bloom frequency can vary depending on factors such as climate, soil conditions, and pruning practices. Generally, with proper care and favorable growing conditions, you can expect this lavender variety to produce multiple bloom cycles during the warmer months of the year, adding a delightful pop of color and fragrance to your garden.

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!