Jonathan's D. filiformis 'Florida Giant' (purchased from us) is flowering and setting seed—but the website says this cultivar is sterile. Also, leaves haven't reached the 10–16 inch size. Grown in peat/perlite with sphagnum topdressing, full sun in Oklahoma, distilled water.
We received a donated batch labeled 'Florida Giant' from seed collected from a customer's original plant—our first red flag, since ours were sterile or reluctant to pollinate. Your plant may be typical D. filiformis or a 'Florida Giant' x typical hybrid. The cultivar isn't a recognized subspecies yet; it's closely related to the type.
We're working to isolate true 'Florida Giants,' but they're indistinguishable when small. Whatever you have is certainly vigorous.
Good Growing!
Jeff Dallas
Sarracenia Northwest
www.cobraplant.com
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