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Delphinium fissum
Delphinium fissum
Delphinium fissum
Delphinium fissum

Delphinium fissum

TAXONOMY

FamilyRanunculaceae
GenusDelphinium
Zone5

ABOUT

Delphinium fissum, commonly known as the Spreading Larkspur, is a tuberous geophyte in the family Ranunculaceae. Native to temperate regions, it is known for its tall spikes of vibrant blue flowers. This plant undergoes a dormancy period during the colder months.

ALSO KNOWN AS

Canyon Larkspur
Split Larkspur
Delphinastrum fissum
Delphinium fissum subsp. pallasii
Delphinium leiocarpum
Delphinium narbonense
Delphinium pallasii
Delphinium velutinum

OVERVIEW

WaterMoist
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity60%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Delphinium fissum thrives in temperate climates with moderate temperatures. It requires bright, direct sunlight for optimal growth and should be watered when the soil partially dries out. Maintain moderate humidity levels to keep the plant healthy.
Soil
This plant prefers well-draining loamy soil with a slightly acidic to neutral pH. Ensure the soil is rich in organic matter to support its growth. Good drainage is essential to prevent root rot.
Fertilizer
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant during the growing season to promote healthy growth and vibrant blooms. Avoid over-fertilizing as it can harm the plant.
Repotting
Repot Delphinium fissum during its dormancy period, typically in late winter or early spring. Choose a pot that accommodates its tuberous roots and use fresh, well-draining soil. Handle the roots carefully to avoid damage.
Propagation
Propagate Delphinium fissum by dividing the tubers during the dormancy period. Ensure each division has at least one growth bud. Plant the divisions in well-draining soil and water them moderately until new growth appears.
Pruning
Prune the plant after the flowering season to remove spent blooms and encourage new growth. Cut back the stems to a healthy bud or leaf node. Regular pruning helps maintain the plant's shape and vigor.
Toxicity
Delphinium fissum is toxic to both pets and humans. All parts of the plant contain toxic compounds that can cause severe gastrointestinal distress if ingested. Handle the plant with care and keep it out of reach of children and pets.
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How To Grow Delphinium fissum | EarthOne