How to grow grapes from seed (in containers) Full guide in the first comment Should You Plant Seeds or Plants in Your Garden? Gardenary Plant Spider Lily Bulbs in Containers for an Unusually Beautiful Fall Bloom And Elevated Curb Appeal ZZ Plant Guide: Easy Grow & Care Tips for Healthy Foliage 16 Succulent Planter Ideas With Plant Recommendations 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.