Whole plant
Overall shape, height, branching and growth habit.
Flowers
Delphinium growing guide
A tall flowering perennial known for upright spikes of blue, purple, pink or white flowers. It performs best in cool conditions, rich soil and a sheltered sunny position.
☠ Poisonous — All parts, especially seeds and young growth
Contains alkaloids that can cause severe poisoning if eaten.
Risk to: People · Pets · Livestock
14-28 daysGermination
VariesHarvest
60 cmSpacing
0.3 cmSow depth
FullSun
HardyFrost
3 cm/weekWater
6-7.5pH
Planting calendar by climate
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Botanical reference
Compare the whole plant first, then check the leaf, flower and harvest detail to identify what Delphinium should look like as it grows.
Leaf detail
Leaf shape, edges, colour and vein pattern.
Flower detail
Flower colour, structure and where blooms appear.
Harvest / detail
Fruit, root, seed, pod or the strongest identifying feature.
Good companions
No companion data yet.
Avoid near
No avoid list yet.
Growing note
Shelter tall flower spikes from strong wind and stake where needed. Cut spent spikes back after flowering to encourage tidy regrowth.
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