Rocket Larkspur (Delphinium Ajacis) is a annual herb in the Ranunculaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 4-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Delphinium ajacis is an annual herbaceous plant known for its tall, showy spikes of blue, pink, or white flowers.

Rocket Larkspur

Rocket Larkspur

Delphinium Ajacis

Delphinium ajacis is an annual herbaceous plant known for its tall, showy spikes of blue, pink, or white flowers.

Quick Facts

Type
herb
Lifecycle
annual
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
4-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, well-drained
Indoor:No
Outdoor:Yes
Garden Use:specimen, cut flower

Care Calendar

Monthly care tasks for Rocket Larkspur

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Rocket Larkspur
Rocket Larkspur detail

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Taxonomy

Family:Ranunculaceae
Genus:Delphinium