macrophylla – Hydrangea, is a most handsome plant with large domed heads of in pink, red or blue. The are deeply veined, heart-shaped and of a rich green colour.
Where to: In good light but not full sun. If leaves curl place in a more shaded spot. It objects to draughts.
Watering requirements: Ensure goodand water copiously in growing season. Soil must not dry out. Mist-spray leaves daily.
General care: Keep in cool place. Supportif weight of blooms tends to splay the plant. After flowering, cut back a little and plunge pot into soil, out of doors if possible. Bring plant indoors before frost.
Rest: In winter, reduceand keep in cool, frost-free .
When it looks sick:
- Leaves yellow : Plant likes plenty of water, but must have good drainage.
- Leaves look tired and wilt : Lack of water causes this. Water and give a mist spray. Recovery will be rapid if it is kept out of strong light.
- In blue varieties the flowers become mauvish, then pink : Add a good sprinkle of aluminium sulphate to the .
All year round 5-20 °C (41-71 F)
Soil: A soil-less.