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TopTropicals.com— rare tropical plants for home and garden
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Bulbs should be planted at a depth where the "neck" is just under
the soil line. If you feel you live in an environment that might be borderline
for plant hardiness, you can probably get away with placing the bulb at a
depth that has the "neck" about 1" below the soil line. When
planting bulbs in groups, place them about 2" apart. If your bulb has
living roots, dig the hole so the roots may be spread out. Just like spring
bulbs, these benefit from a handful of bone meal per one or two bulbs in the
planting hole. Water in thoroughly. They prefer a well-drained soil and full
sunlight. They are quite forgiving with soil quality. Because most of them
bloom in response to cycles of water deprivation and surplus, they are excellent
for inducing bloom in potted culture, too.
Q: What soil should I use and how deep should I plant the seed?
A: We recommend a super-drained germination mix that is available from our store, or you can create it yourself using our potting mix (or coconut coir), perlite and vermiculite. The mix we use for our seeds has equal parts of those. Plant seeds 1/2" deep, keep slightly moist, in bright light and warmth (above 75F). Bottom heat (warming mat) will encourage germination that usually occurs within 4-5 weeks, sometimes longer depending on conditions. During hot summer, you may place germination trays on hot surface (like black ground cover) in full sun, just watch the soil to stay moist and never dry out.
Q: Do all fancy adenium hybrids come true from seeds?A: We have grown a few varieties from seeds in our nursery. Those came true colors. Of course it is not possible to test all new coming varieties simply because it takes such a long time (1-2 years) until seedlings start to flower. Based on other growers experience, the average percentage is close to 80% that flowers come exactly true to the kind. If you have a large collection of different varieties and they all bloom at the same time, cross-pollination may create some interesting hybrids, watch out for seeds and create your own named hybrids!
Q: I would like to buy Synsepalum dulcificum seeds. I've read that they have short viability.
A: 1-3 months is OK if they kept in a plastic bag. They need to be scarified so water gets inside the shell. Germination rate is quite low, around 30-40%.
Q: How long can I store tropical seeds without loosing viability?
A: According to our experience, tropical plants seeds can be kept in a plastic bag up to few months (1-6 depending on species). Make sure to ventilate them once in a while and watch for signs of rotting or mould (this happens if seeds are not dry enough)
A: Our online payment system is set up to accept US credit cards only (for security reasons). For international orders, you have to contact us. For seeds, there will be a minimum order of $100 (of seeds cost). Shipping cost depends on destination, shipping method and package weight. A phytosanitary certificate may be requred (depends on your country import regulations).
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