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Drosera capensis is found in marshy areas of the south western
Cape region of South Africa. The species has many forms in cultivation
ranging from no red pigment to extra red and wide leaf to very narrow
leaf. It is considered an easy carnivore to grow. The plant makes
an excellent addition to carnivore collection. It tends to become
a weed if you allow the seeds to get scattered around.
Drosera capensis isn't very picky about soil. It grows well
in pure sphagnum moss as well as the standard 1:1 peat:sand "CP
mix". Growing plants in CP mix with live sphagnum on top is
very effective as the sphagnum will grow up with the plants keeping
the crown near a surface and providing a medium for the adventitious
roots that will come out of the side of the stem. The red forms
will tend to be redder in peat and under brighter light.
Sow seeds of Drosera capensis on the surface of your medium
of choice. Finely chopped live sphagnum moss over long fibered sphagnum
moss or CP mix works very well but the moss can overgrow the young
plants. Finely chopped dead sphagnum or sand over CP mix also work
well.
What you do next depends on what works best for you. Everyone has their
own preferred routine. I put pots with seeds in plastic zip-lock bags
under but not too close to fluorescent lights. You could also use an aquarium in a greenhouse. The purpose of the plastic bag is to maintain very high humidity and to keep out fungus gnats. Fungus gnat larvae will eat the seedlings. A temperature between 20°C
to 25°C (70°F to 80°F) works best. The seeds should germinate in a few weeks. When the new plants have a few true leaves, remove
the pots from the plastic bags and put them in a bright terrarium or greenhouse. The seedlings may be a little slow growing at first. Have patience.
Once the plants are large enough you can try feeding them small insects
or get some dried blood worms at a pet shop. The dried blood worms can
be dipped in water and placed on the dewy leaves--don't feed a plant that
isn't dewy. If the food gets moldy, use less next time. A dab of 70% isopropanol
(rubbing alcohol) from a small paint brush will kill the fungus.
Drosera capensis tends to live a few years. Plants can easily
be propagated from root and stem cuttings. I usually rip them apart
and start over with stem and root cuttings when they start to decline.
When your plant blooms, save the seeds to grow more. If you have
a lot of seed, send the extra in to the seed bank.
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