“Phew, what a scorcher!” Remember the summer of 76? It didn't rain between March and September, there were hosepipe bans, and water had to be collected from…
They will prefer loamy, moisture-retentive soil in full sun or partial-shade.
Propagation is by division in the spring or by seeds in autumn or spring.
Pests, diseases or disorders
Slugs and aphids could cause damage.