How to Grow Better Annual Geraniums Than Your Grandmother
geraniums or pelargoniums isn't a complicated bit of
require full sun.
They appreciate regular
watering – although they will tolerate some dryness, they do
best if the soil is moist but not waterlogged.
These are greedy feeders and if you want blooms, you're going
to want to feed them at least weekly with fish emulsion fertilizer or a
liquid plant food.
so you'll have lots more next
and full instructions are here.
Geraniums fit all kinds of garden situations. :-)
Difference Between Single and Double Flowering
The devil is always in the details
There are single
double flowering annual geraniums on garden shop shelves.
The doubles are
wonderful for closeup viewing while the singles will outbloom the
double-flowering geraniums by a wide margin.
doubles require daily pruning and deadheading to keep the flowers
coming while the single flowers shatter when they are done and a weekly
cleanup of dead stalks will keep them looking good.
doubles are cloned or propagated by cuttings while the singles are seed
The doubles are more
expensive than the singles but come in a wider range of exciting colors.
When To Use Singles or Doubles
The rule of thumb is that if you're going to use the geranium for close up viewing
– use the doubles. But if you're using them for
mass color and reduced maintenance gardening – use the
singles. Doubles are mandatory in containers because of the
close up viewing.
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What do I mean by
deadheading or pruning of flower stalks?
double-flowering geranium produces a flower on a long stalk and once
that flower starts to fade, the petals will rot and get a grey mold
called botrytis on them. The flower has to be removed before
it infects the entire plant.
Once the flower is
spent, the stalk will cleanly snap away from the main stem if you reach
down the stem and twist the stalk back against the direction it is
growing. It will cleanly break away without leaving any
damage behind. If you need to see this work a little better
– wait a day or two until the stalk starts to wither or
yellow and you'll quickly see how it breaks away.
The only thing you need to be careful of is that your hand
doesn't snap the main stem off.
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