Weed Wannabes 10 Plants That Look Like Cannabis (But Aren't) Herbies Seeds USA 12 Inch Succulent Pots Long Rectangle Succulent Planter Pots with Dra Clear Round Air Slotted Plant Pots (Tall Pot) Sizes: 5.5", 7" & 9.5" It's time to collect seeds from Pacific Bleeding Heart (Dicentra formosa). Wait until most of the seeds have turned blackthat's when they're mature. I like to sow them right away into moist Aglaonema