Delphinium (Larkspur)

Larkspur

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A genus of herbaceous plants in Ranunculaceae, known for tall spikes of blue, purple, or white flowers. Often called Larkspur. Prefers cool climates and full sun.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com 2-3 in In Stock $9.99 Buy
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Plant Details

Common Name Larkspur
Family Ranunculaceae
Genus Delphinium
Origin Europe / Asia
Blooming Spring to Summer, tall flower spikes
Leaf Color Blue-green foliage
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained, fertile soil rich in organic matter. Slightly alkaline preferred.

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Watering

Keep moist during growth and flowering, avoid waterlogging. Reduce watering after blooming.

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Sunlight & Care

Full sun required for best flowering, tolerates light shade in hot climates

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Fertilization

Feed monthly with balanced liquid fertilizer during growing season (Spring/Summer)

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Pruning

Deadhead spent flowers to encourage reblooming; cut back to ground in late autumn

Pest Control Aphid Leaf Miner Slug Snail

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 4 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
41° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
6000 – 25000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1000 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
30% – 65%
% volumetric
Water content in the growing medium
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Soil EC
200 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Delphinium (Larkspur)? Select a symptom to diagnose and fix the issue.

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