Reviews for Feit Electric 30 Watt PAR38 Selectable Spectrum for Seeding, Growing and Blooming Indoor and Greenhouse E26 Plant Grow LED Light Bulb Pg 1 The Home Depot NMN Designs Knox Stainless Steel Pot Planter; Medium Outsunny Outdoor Planter Set 2 Pack MgO Flower Pots Black with Drainage Entryway Patio Yard Garden Seville Large Fiberglass Terracotta Planter Garlic Growing Guide: Planting Garlic in Your Backyard Garden Bucktown Seed Company Plant your poppies when it's cold! Poppy seeds require a period of cold to germinate and grow, so they generally do best when planted in the late fall or early spring.