fertile soil enriched with lots of organic matter, which holds plenty of moisture in spring and summer, doesn't dry out or become waterlogged; moderately fertile, moisture retentive but not soggy
Flowering
July–October
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.
The Gardening Year
J
F
M
A
M
J
J
A
S
O
N
D
🌱 Sow
🪴 Plant out
🌸 In flower
Watch out for
Powdery mildew: Ensure good air circulation, water at the base, and apply a fungicide if severe.
Slugs and snails: Use physical barriers like copper tape or organic pellets to protect young growth.
Aphids: Squash by hand, blast with water, or use insecticidal soap for heavy infestations.
Leaf and bud eelworm: Remove and burn affected plant parts immediately to prevent spread.
Stem weakness: Support with stakes or use the Chelsea chop pruning technique in early summer.