Hollyhock

Alcea rugosa, also known as the Russian Hollyhock, is a striking biennial that can reach up to 2m in height. It produces tall spikes of clear yellow, single flowers from mid-summer, adding a vibrant splash to garden borders. This variety is known for its graceful appearance and can self-seed readily.

Sun: Full sun.

Soil: Well-drained, fertile soil.

Hardiness: H6 — down to −20°C.