GardenWizzPlant Care Card

Red Dead-nettle

Lamium purpureum · Annual

Hardiness
H7 Very hardy (to below −20°C)
Position
Full shade, Partial shade
Height × Spread
5–20 cm × —
Soil
moist but well-drained
Flowering
January–December
Toxicity
No toxicity recorded

The Gardening Year

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

Watch out for

Slugs and snails: Use beer traps, copper tape barriers, or iron phosphate pellets to control populations.

Powdery mildew: Improve air circulation and spray with a sulphur-based fungicide if severe.

Aphids: Encourage natural predators like ladybirds or use a strong jet of water to dislodge them.

Root rot: Ensure well-drained soil and avoid overwatering, especially in winter.

Full guide: gardenwizz.com/plants/lamium-purpureum © GardenWizz — UK gardening encyclopedia