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Carnivorous Plant Growing Tips
| General Care | Venus Flytrap | Sundews | Butterworts | Bladderworts | Genlisea |
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Sundews - Drosera spp.

1:1 peat:sand
3" plastic pot
moist to very wet
full to part sun
tropical to artic, depending upon species
medium to high
windowsill, terrarium, outdoors, greenhouse
required of some sundews
Sundews are one of the most diverse groups of CPs and grow in a variety of biomes, including the arctic and the desert.  However most sundews grow in typical CP conditions of sunny, wet, sandy peat soil in tropical or temperate habitats.  They are common CPs in bogs, pocosins, and fens.  Most sundews grow in association with sphagnum moss.
Most sundews thrive in a standard CP soil mix of 1 part sand and 1 part peat.  The sand-peat ratio is not critical.  Some prefer sandier soil and others prefer live sphagnum moss.  Use mineral-free water and for most sundews, keep the soil very wet.  The tray method works very well.  Stand the pot in a tray or saucer and keep about 1/2- 1” (1.25-2.5cm) of water in it at all times during the growing season.  Sundews prefer full sun and develop their best red colors in very bright light.  A few sundews prefer indirect, low level light.  Most sundews do quite well at room temperature, but a few prefer very warm or cool conditions.
Species native to temperate and arctic zones require dormancy.  These will develop a winter bud or hibernacula in the late fall.  Dormant plants should be kept somewhat drier, but the soil should remain evenly moist.  Some sundews require winter freezes.  Some sundews require summer dormancy and a completely dry soil.  Tropical sundews do not go dormant and will grow year round. 
Sundews do a marvelous job of attracting and catching prey all on their own.  Let them catch their own food.  They only need to feed a few times a month, and do not require daily feeding.  Plants grown indoors or in a terrarium will benefit from supplemental feedings using wingless fruit flies or other very small insects. 

Other Considerations
  • Most sundews will flower and go to seed readily.  Some can even become “weeds” in a collection.  The seeds are some of the smallest in the world and can be readily collected by shaking the flower stalk over a small dish.  Some sundew seeds require stratification, which is a storage period in cold, damp, humid conditions for 3-4 months.
  • Most sundews will readily propagate from leaf cuttings.  Tear the leaf away from the stem with a small section of the stem still intact.  Float the leaf in clean, mineral-free water for a few weeks, and small plantlets will form along the leaf margins.

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