Hardiness
H7 Very hardy (to below −20°C)
Position
Full sun, Partial shade
Height × Spread
1.2–2 m × 10–50 cm
Soil
Moist but well-drained; fairly rich.
Toxicity
No specific toxicity is listed by the RHS. This is not a guarantee of safety — check with a vet or the ASPCA before pets or children eat any plant.