GardenWizzPlant Care Card

Larkspurs

Delphinium · Perennial

Hardiness
Position
Full sun
Height × Spread
0.1–2.5 m × —
Soil
Moist but well-drained soil; rich in nutrients or improved with well-rotted compost/manure. Avoid poorly drained, permanently wet, or very heavy clay soils without improvement.
Flowering
June–July
Toxicity
Toxic to humans and livestock

The Gardening Year

J
F
M
A
M
J
J
A
S
O
N
D
🪴 Plant out
🌸 In flower
✂️ Prune

Watch out for

Black blotch: Remove affected plant parts immediately and avoid saving seed from infected plants.

Powdery mildew: Ensure good air circulation and apply a suitable fungicide if infection is severe.

Slugs and snails: Protect new shoots with physical barriers or use slug pellets around the base of plants.

Delphinium moth caterpillars: Inspect plants regularly and hand-pick caterpillars as soon as they are spotted.

Full guide: gardenwizz.com/plants/delphinium © GardenWizz — UK gardening encyclopedia