Hydrangea macrophylla ‘Zorro’ is a striking and bold deciduous shrub with deep purple-black stems that provide a striking contrast against the dark green leaves. As autumn arrives, the leaves take on a rich red hue, adding to the beauty of this plant. The flattened lacecap flowerheads are another key feature, with ultramarine blue ray florets and occasional white centres. This stunning plant is sure to make a statement in any garden, and can be complemented by other plants such as ferns, heucheras, and hostas.
- Common Name(s):Hydrangea ‘Zorro’
- Hardiness:Fully hardy
- How big will I get? Hydrangea macrophylla ‘Zorro’ can grow to a height of 1.5m and a spread of 1.5m.
- Did You Know That:Hydrangeas contain low levels of cyanide?
A rough guide to how this plant will change through the year.
Hydrangea macrophylla ‘Zorro’ prefers moist but well-draining soil. This plant can grow in soil with a wide range of pH levels, it is not picky about the pH level of the soil.
Hydrangea macrophylla ‘Zorro’ prefers a sheltered position and likes the sun but not too much of it, so an area that is partially shaded is perfect.
Hydrangea macrophylla ‘Zorro’ flower on the previous years growth, therefore each year in late Winter or early Spring cut out a small number of the old stems at the base and remove old flower heads back to the nearest sideshoots. This will encourage some new growth which will in the future produce more flowers, but it won’t affect thats season’s flowers. Although most shrubs that flower on old wood should be pruned immediately after flowering, Hydrangea macrophylla are an exception to this rule. This is because the cut stems are vulnerable to frosts, whereas the old flowers protect them from the frost, therefore they should be trimmed back later.
Pest, Diseases and Wildlife
Hydrangea macrophylla ‘Zorro’ can have problems with aphids and scale insects, it can be vulnerable to certain diseases such as powdery mildews, leaf spot, grey moulds and honey fungus. It is toxic to cats, dogs and horses.