had a mandarin tree for about three years now. Its leaves are light
green in colour and its fruit, the size of a marble, drops off.
It doesn't seem to be growing at all.
sounds as if your mandarin needs a good boost of nutrients. Most
young citrus trees need regular feeding and watering during dry
periods to crop well. Ideally, apply a dressing of citrus fertiliser
at least every spring and late summer, more regularly if the leaves
still look pale and growth is slow. Make sure there's plenty of
water in the soil when you do feed.
Water regularly in dry
periods over summer and autumn when young fruit is forming - lack
of water at this crucial time is one of the main causes of premature
fruit drop. And mulch over the roots with compost or other organic
material to conserve soil moisture.
Check for scale, which
are one of the worst citrus pests, and spray with an oil such as
Eco Oil, Clear White Oil or Conqueror in winter, if necessary, to
Gardener, Issue 170, 2005, Page 28
Reproduced with permission from the former Weekend Gardener magazine. The views expressed here are not necessarily those of the RNZIH.