Post by triphyophyllum on Dec 31, 2014 17:59:22 GMT
Hello. I recently bought four different types of sundew seeds: Drosera roraimae, drosera pulchella, drosera gigantae, and drosera binata. I was planning on sewing the seeds in one of those large black, plastic containers that has many small sections to plant seedlings in (I am forgetting what they are called at the moment). I have a few questions.
1) Is this a good place to plant them (in the seed/tray things)? 2) How many seeds will I need to sew per container to get one plant? 3) Will they need to be placed under a clear plastic cup or the like to ensure high humidity during the germination?
Every one of the seeds you have require some drastically differing care for germination, and none of these will do well in the long run in little sprouting trays. D. roraimae seems to need sphagnum as a substrate and cool temperatures (50-70 F preferable)for up to several months to germinate. D. pulchella is a pygmy sundew, they should sprout without much treatment but require deep pots and hate root disturbance, so trying to repot them from a sprouting tray may end in disaster. D. gigantea is a tuberous sundew, and a huge one at that, requiring at the very least a couple months of hot stratification followed by cool winter conditions to sprout, and may require smoke treatment, gibberellins, or other treatments to germinate. And it can produce tubers up to 3 feet under the soil, so a very large pot is necessary if you get them growing. D. binata doesn't require any special treatment, but again will require a much larger pot eventually.
None of these species strictly require any sort of special requirements relating to humidity, but all prefer full sunlight.
I would suggest in the future before purchasing seeds, you do some thorough research on the requirements of the species you intend to purchase.
That's funny, those plants are from opposite kinds of environments. I know, it seems like most sundew can grow together, but somehow you managed to pick species that need rather different kinds of soil and pots. You can grow the gigantea together with the pygmy sundew though you'll need a deeper than usual pot.
D. roraima needs high humidity all the time. The other species, not so much. But all will benefit from a humidity dome, but not one that traps heat and cooks them
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