Batiquitos Perennial Farm
$12.75–$39.75Distance unavailable · 5744 Paseo Del Norte, Carlsbad, CA 92008
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trefle.io · CC-BY-SA
Ranunculaceae
Delphinium glaucum
Delphinium glaucum
Also known as Delphinastrum glaucum, Delphinium exaltatum var. glaucum, Delphinium scopulorum var. glaucum, Delphinium brownii
Zones 4–9Sun Partial SunWater ModerateCare Moderate
Flowering Plants · Native Plants · Larkspur · Delphinium · Tall Perennial · Blue Flowers · Cottage Garden · Wildlife Garden · Mountain Plant · Summer Bloomer · Native Plant · Pollinator
Pet-safeAttracts pollinators
In stock at 2 nurseriesStock updated 9/6/2026
Sierra larkspur thrives in cool, moist conditions with partial shade and consistently watered soil. Plant in well-draining, fertile ground and provide support for its tall flower spikes, which can reach 6 feet or more. Deadhead spent blooms to encourage continued flowering and divide clumps every few years to maintain vigor.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water deeply until soil is evenly moist; avoid waterlogging · Every 5-7 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 5.6–7
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed, Division, Cutting
Hardiness
USDA 4b-9b
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Form & growth
Mature size and habit
- Mature height
- 12 in – 4 ft
- Spread
- 4 ft
- Spacing
- 24 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Purple
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Alberta, British Columbia, California, Colorado, Idaho, Manitoba, Montana, Nevada, Northwest Territorie, Oregon, Saskatchewan, Utah, Washington, Wyoming, Yukon
- Attracts
- Bees, Butterflies, Hummingbirds
Sources: trefle, usda
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Saxony Flower Growers
$7.25–$29.75Distance unavailable · 1094 Saxony Road, Encinitas, CA 92024
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