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Apr 5, 2018 10:32 AM CST
Name: Stefan
SE europe(balkans) (Zone 6b)
Cactus and Succulents Adeniums Foliage Fan Bromeliad Container Gardener Tropicals
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So far, out of experience, i can tell you that selenicereus and hylocereus grow fast, saguaro slow, ferocactus and stenocereus medium. Who can tell me out of experience(and preferably pictures) for the following cacti
- peniocereus gregii
- echinocereus willcoxia subgenus
- frailea
- gymnocalycium
- pachycereus pecten aboriginum(priority)
- pahycereys(lophocereus) schottii(priority)
- ariocarpus(maybe)
-thelocactus
- rebutia
-parodia
-eriosyce
-lobivia
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Apr 5, 2018 11:33 AM CST
Name: Porkpal
Richmond, TX (Zone 9a)
Cat Lover Charter ATP Member Keeper of Poultry I was one of the first 300 contributors to the plant database! Dog Lover Keeps Horses
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I can't help, but I will be curious to hear what others have to say. - Interesting topic!
Porkpal
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Jul 25, 2018 7:16 AM CST
Name: Jai or Jack
WV (Zone 6b)
Om shanti om.
Region: West Virginia Container Gardener Multi-Region Gardener Garden Photography Amaryllis Zinnias
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So much depends on the quality of the seed, not just germination but also the first few weeks of growth because viability is not an on/off switch--rather, it's a dial switch.

What I mean is that if you have fresh seeds from last year of any of these species, you're more likely to get higher germination and quicker growth than if your seeds are 5 years old. If your seeds are 20 years old, then you'll see even more drastic differences.

This is complicated when comparing growth rates across species because seed viability and longevity (which are not necessarily the same thing) vary across species, too.
Keep going!
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