TerraForums Venus Flytrap, Nepenthes, Drosera and more talk
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So I recently got a Drosera lunata with location data from japan and I know that it has a dormancy period in winter as opposed to summer but should I keep it moist over winter like my other temperate plants or let it dry out like most tuberous sundews?
I know some tuberous sundews appreciate a bit of moisture (D. menziesii) but even D. menziesii I have kept bone-dry and the tubers did not seem to dessicate.
2 parts sand to 1 part peat.
My biggest concern is that japan has a very different climate compared to australia so its natural habitat might be wetter.
The thing is, even when the surface of the pot looks bone dry, there will still be some moisture trapped underneath the surface. It's generally recommended to sprinkle small amounts of water on the surface of the pot every couple weeks (I do it every week) during dormancy to make sure it doesn't dry out too much. Some species like D. gigantea that grow tubers very deeply generally prefer more moisture.
Try to replicate the conditions found in nature for that locality; if it's wet in winter, keep it moist. D. lunata is found throughout the tropical southeast as well and in many regions where it's found there is no such thing as a dormancy period, so this tuberous sundew breaks all the rules as is, depending on location (Indochinese regions still have dry summer dormancies).
This website indicates that it actually may get a decent amount of rain during the winter (at least in Tokyo, I do not know the location of the Japan endemic D. lunata). I suppose if you want to be safe, you can sit the pot in a cm of water to keep the soil moist.
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