How to Grow Dwarf Blue Lavender
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Dwarf Blue Lavender
Lavandula angustifolia 'Dwarf Blue'
herbDwarf Blue Lavender is a compact cultivar of English lavender, typically reaching 12-18 inches in height. It produces fragrant deep blue-purple flower spikes and narrow, silvery-green foliage, making it ideal for borders, containers, and small spaces. This variety is prized for its intense color and aromatic essential oils.
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Example Dwarf Blue Lavender timeline · Pittsburgh, PA (Zone 6b)
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Plant Dwarf Blue Lavender
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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Harvest Dwarf Blue Lavender
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Dwarf Blue Lavender dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5-9, with best performance in zones 6-8
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Establishment
2-3 weeksYoung transplant with silvery-green needle-like foliage establishing roots
Water consistently but allow soil to dry slightly between waterings. Protect from excessive heat and wind. Do not fertilize heavily.
Vegetative Growth
4-6 weeksPlant develops dense, mounding foliage; no flowers yet
Maintain moderate watering as roots establish. Pinch back tips to encourage bushier growth if needed. Avoid nitrogen-heavy fertilizers.
Flowering
6-8 weeks (can be extended with deadheading)Upright purple-blue flower spikes emerge above foliage; fragrant and abundant
Continue minimal watering. Deadhead spent flowers to encourage continuous blooming. Do not overfertilize. Begin harvesting flowers for drying if desired.
Peak Bloom & Harvest
3-4 weeksMaximum flower production; densely packed flower spikes at their most fragrant and colorful
Harvest flowers in early morning after dew dries. Cut stems just as flowers open for best dried quality. Remove dead flower heads.
Dormancy & Pruning
3-4 months (winter season)Flowers fade; foliage may appear silvery-gray; plant enters slower growth phase
In late fall or early spring, prune to 6-8 inches above ground to maintain shape and vigor. Remove dead wood. Minimal watering through dormancy.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick beetles; use neem oil spray in early morning or late evening; encourage beneficial insects; ensure good air circulation
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Spray with horticultural soap or water spray to dislodge; neem oil; encourage ladybugs and parasitic wasps
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Increase humidity; spray with water; use miticide if severe; avoid excessive heat stress
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Ensure excellent drainage; do not overwater; remove affected plants; improve air circulation; use well-draining soil
Uses
Culinary flavoring and beverages
CulinaryLavender flowers add delicate floral notes to teas, baked goods, honey, and gourmet dishes. The edible flowers can garnish desserts, salads, and infuse beverages with a subtle aromatic flavor. [source]
Relaxation and sleep support
MedicinalLavender is traditionally used in herbal teas and aromatherapy to promote relaxation, reduce anxiety, and improve sleep quality. The essential oil contains linalool, a compound studied for its calming properties. [source]
Fragrance and aromatherapy
HouseholdDried lavender flowers can be used in sachets, potpourri, pillow inserts, and homemade essential oil diffusers to naturally fragrance rooms and wardrobes. [source]
Dried flower arrangements and crafts
CraftThe vibrant blue-purple flowers retain their color and fragrance when dried, making them ideal for long-lasting floral arrangements, wreaths, and handicraft projects. [source]
Pollinator attraction
WildlifeLavender flowers are highly attractive to bees, butterflies, and other beneficial insects, supporting pollinator populations and garden biodiversity. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest flowers for drying in mid-to-late morning once dew has evaporated, when blooms are fully open or just beginning to open. Cut stems 6-8 inches long just below the flower spike. Bundle loosely and hang upside down in a warm, dry, dark location for 2-3 weeks. For fresh use, pinch individual flowers or small sprigs as needed. Peak harvest occurs mid-summer.
Fun Facts
- 🌱 Lavender has been used for over 2,500 years in bathing, perfumery, and medicine, particularly in ancient Roman and Mediterranean cultures.
- 🌱 The word 'lavender' comes from the Latin 'lavare,' meaning 'to wash,' reflecting its historical use in bathing rituals.
- 🌱 Dwarf Blue Lavender's compact size makes it perfect for container gardening, balconies, and small spaces while retaining the full fragrance and color of larger varieties.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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