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Sign up freeHydrangea macrophylla
Acidic soil (pH <5.5) produces blue flowers; alkaline gives pink. Never let it dry out. Prune lightly after flowering — flowers on previous year's wood.
Asclepias incarnata
flower
Also a perennial — same seasonal rhythm as Hydrangea
Attract Hoverflies, Lacewings, Ladybugs, Parasitic wasps, Predatory mites, Minute pirate bugs, Ground beetles to keep them in check — plant African MarigoldGreat, French MarigoldGood and LungwortGreat nearby.Water: High · Height: 150 cm · Soil: Moist, rich, well-draining — soil pH affects flower colour
These three thrive alongside Hydrangea — and alongside each other.
