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Growing Citrus in Containers
by Jackie Carroll
Citrus trees are terrific for sunrooms.
The glossy foliage looks great year round, and the scent of the blossoms
can fill a room.
Citrus can be grown from seeds, but it will take several years to get fruit,
and the overall results may be disappointing. For better results, buy healthy
plants that have been grafted onto special rootstocks. Before you invest
in a citrus tree, make sure you have a place in your home where the plant
will be happy. It needs a long day of sun and good air circulation. Placing
the tree near a heating vent will cause the leaves to dry out and drop. In
warm climates, place the tree on a rolling platform so that it can be left
outdoors most of the time, bringing it indoors only when frost threatens.
The most common problems with citrus grown indoors are scale insects and
leaf drop. Watch the plant closely for scale, since it is easiest to control
when it first appears. If there are only a few, you can remove them with
a sharp knife or fingernail, or you can rub them with a Q-tip soaked in alcohol.
If you have too many insects to handle this way, spray the plant with an
insecticidal soap at 5-day intervals, or alcohol spray (4 parts water to
3 parts rubbing alcohol.) Any time you use an alcohol spray you should shade
the plant for the day.
Leaf drop is usually caused by wide fluctuations in temperature. Try to maintain
a constant temperature, both day and night.
GENERAL CARE:
Watering
When the soil is almost dry water the pot until the water runs out the bottom,
but never leave the plant standing in water. Plastic pots are best for
maintaining a good moisture level. In winter, water just enough to keep the
soil from drying out completely.
Humidity
Plants can tolerate humidity in the summer, but prefer a low humidity in
winter. Luckily, the air in most homes is quite dry in winter.
Feeding
Use a high-nitrogen liquid fertilizer. Mix it 1/4 strength and feed the plant
weekly from mid-spring until late summer. Discontinue feedings in winter.
Temperature
There are some very good varieties that will withstand a wider range of
temperatures, but for most the summer maximum should be around 87F (30C)
and the winter minimum should be 40F(5C).
What's Related:
How to Grow Strawberries
Growing Sunflowers
Watermelon Picnic Caddy
About the Author
Jackie Carroll is the pervious owner of Garden Guides.
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