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Logee’s
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from
the growers
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Cultural Information – Hoya
browse
our hoya department
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Light:
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Partial sun or shade: an east or west window.
A north window will grow them; however, they do benefit from a
little direct sunlight.
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Temperature:
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As a potted plant, maintain indoor
temperatures above 60°.
They are quite varied in their natural habitat; those that come
from high elevation do well with cooler nights. If a variety doesn’t
flower even under good quality light, try growing it a little cooler at
night.
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Humidity:
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They will tolerate low levels with no
harm.
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Watering:
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Bring soil to a state of dryness between
watering. Do not keep them
evenly moist. When watering,
thoroughly saturate soil until a little water runs out of the bottom of
the pot. Growing in clay
pots will help maintain a healthy root system.
Many grow epiphytically and prefer a drier root environment.
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Fertilizer:
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They are light feeders so 1/4
tsp./gallon once a month is a general recommendation.
When growth actively stops in winter, discontinue feeding.
Use a balanced fertilizer i.e. 15-15-15 or a blooming fertilizer
like Pro Gro ‘Grow’ 7-9-5 or Electra 5-10-3.
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Pruning:
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Prune any time growth is excessive or
after the flowering cycle is complete.
They bloom on the new growth so hard pruning will slow down
flowering. Some varieties will flower off of old flower spurs so leaving
them on when pruning will increase future blooms.
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Insects and
Disease:
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Hoyas are highly susceptible to mealy
bug. Hoya lanceolota bella
is susceptible to spider mite. Under
damp soil conditions they can have problems with root diseases. Growing
them dry eliminates the problem.
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Comments:
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Hoyas are great indoor plants that
thrive under lower light and dry conditions.
Flower initiation is induced by environmental factors such as day
length, light intensity or cool night temperatures depending on the
variety. H.
nummulariodes and H. odorata flower in the shortening day length of
fall. H. lanceolota is a
summer bloomer responding to the long days.
If a variety doesn’t flower, try increasing the light or grow
cooler during the winter.
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