Slick Rock Wave Large Planter How do you save seeds from cabbage in cold climates? Cabbages are biennials and take two growing seasons to produce seeds. Typically these crops are left in the field to overwinter until spring when Follow The Yellow Brick Home Beautiful Container Garden Ideas for Any Space Follow The Yellow Brick Home How I Grew My Own Amaryllis From Seed by Lou Procter Medium When to Harvest Portulaca Seeds, Wait for the flowers to dry: Portulaca (Moss Rose) produces tiny seed pods after the blooms fade., Timing: About 23 weeks after flowering, the seed pods turn