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Need a bit info on Cycas seeds

meridannight

By meridannight
in TROPICAL LOOKING PLANTS - Other Than Palms

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meridannight Community Regular

meridannight

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Posted (edited)

I will be attempting germination of a few species of Cycas for the first time this summer. I've done my research on the basics of it, but am a bit confused regarding seed viability of this plant group. I've come across two different types of info: first that Cycas seed viability is short and they should be planted as soon as possible after harvest. And second, that they have a long maturing period and that when the harvest time is unknown one should wait for a while (a couple of months or so) before sowing the seed to be sure not to plant them too early. 

Probably both perspectives are right under the right context?

I will try germinating these 3 species:
Cycas debaoensis
Cycas clivicola ssp lutea
Cycas sp. Silver (Thai Silver Sago; an as-yet undescribed species discovered in western Thailand)

I have not collected the seeds myself. Regarding these species, can anybody advise on the viability window they have?

 

Edited by meridannight

Species I'm growing from seed: Verschaffeltia splendida, Chrysalidocarpus leptocheilos, Licuala grandis, Hyophorbe verschaffeltii, Johannesteijsmannia altifrons, Bentinckia condapanna, Livistona benthamii, Licuala mattanensis 'Mapu', Beccariophoenix madagascariensis, Chrysalidocarpus decaryi. 

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