Hardiness
H6 Hardy — very cold winter (to −15 to −20°C)
Position
Full sun, Partial shade
Height × Spread
1.5–2.5 m × 50–100 cm
Soil
well-drained soil with a pH between 6 and 7 with ample organic matter
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.