How to Grow Bishop's Flower
Bishop's Flower
Ammi majus
flowerBishop's Flower is an airy, delicate annual with feathery foliage and tiny white flowers arranged in flat-topped umbels that resemble Queen Anne's Lace. It grows 24-36 inches tall and is prized by florists for its ethereal, filler-flower quality in fresh arrangements. The plant thrives in cool weather and produces abundant blooms throughout the growing season.
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Example Bishop's Flower timeline · Pittsburgh, PA (Zone 6b)
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Plant Bishop's Flower
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Bishop's Flower blooms
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Bishop's Flower dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 3-9; prefers cooler temperatures and may struggle in hot, humid climates
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Seedling
2-3 weeksTiny seedlings with fine, thread-like cotyledons and first true leaves appearing feathery
Keep soil moist but not waterlogged. Provide bright light. Thin seedlings to 12 inches apart when 2-3 inches tall.
Vegetative Growth
3-4 weeksPlant develops bushy, feathery foliage with multiple stems. Height increases rapidly to 12-18 inches.
Pinch back growing tips at 6-8 inches to encourage bushiness. Water regularly. No fertilizer needed if soil is amended.
Budding & Early Flowering
2-3 weeksFlower buds appear at branch tips; umbel structure begins to form with tiny white flower buds clustered together
Continue regular watering. May benefit from light feeding with balanced fertilizer. Support with stakes if needed in windy areas.
Full Flowering
4-8 weeksDense, flat-topped white flower clusters (umbels) open completely, covering the plant with delicate blooms
Deadhead spent flowers to encourage continuous blooming. Cut for arrangements regularly to prolong flower production.
Seed Production
3-4 weeksFlowers fade and are replaced by small, ribbed seeds in umbrella-like seed heads if not harvested
Allow some flowers to mature if seed saving is desired. Plants may self-seed in favorable conditions.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use insecticidal soap or neem oil if severe. Encourage natural predators like ladybugs.
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Increase humidity and water foliage in early morning. Use miticide or neem oil if infestation is heavy.
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Use yellow sticky traps; spray with neem oil or insecticidal soap.
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Ensure good air circulation. Apply fungicide spray if needed; use sulfur or potassium bicarbonate.
Uses
Fresh & Dried Floral Arrangements
CraftBishop's Flower is highly prized by florists as a filler flower for wedding bouquets, bridal arrangements, and mixed bouquets due to its airy, delicate appearance and long vase life. [source]
Edible Flowers
CulinaryThe delicate white flowers are edible and can be used as a garnish for salads, desserts, and cocktails, adding visual appeal and a mild, subtle flavor. [source]
Dried Flower Crafts
HouseholdDried umbels retain their form and can be used in wreaths, dried arrangements, potpourri, and craft projects for extended decoration. [source]
Pollinator Support
WildlifeThe abundant small flowers attract bees, hoverflies, and other beneficial insects, making it an excellent choice for pollinator gardens. [source]
Traditional Herbal Use
MedicinalIn traditional medicine, Ammi majus has been used in preparations, though modern use is primarily ornamental. Related Ammi species contain psoralens with phototoxic properties. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Cut flowers in the morning when umbels are just opening or fully open for longest vase life (7-10 days). Cut stems at a 45-degree angle, strip lower leaves, and place immediately in water. Harvest regularly to encourage more blooms throughout the season. For seed saving, allow flowers to mature and dry on the plant, then collect seed heads.
Fun Facts
- 🌱 Bishop's Flower gets its common name from the resemblance of its white flower clusters to a bishop's mitre (ceremonial hat), and the delicate appearance suggests religious vestments.
- 🌱 The plant is also called Queen Anne's Lace relative, and it naturally self-seeds readily, often returning year after year in favorable conditions.
- 🌱 Ammi majus has been cultivated for centuries and was particularly popular in Victorian gardens; it remains a florist favorite today for high-end floral design.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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