Common Milkweed - FOUR (4) LIVE PLANTS - Asclepias Syriaca &ndash; Non-GMO - Not Seeds &ndash; Each 4&rdquo; &ndash; 8&rdquo; Tall in individual Pots &ndash; Monarch Butterfly Caterpillars Need These - Zone 4-9 Four very nice, good-sized plants, each 4 to 8 inches tall. Not leggy, not seeds Grown and shipped Clovers Garden Branded Starter Pots w/Copyrighted Plant Care Instructions Included We ship good-sized plants with a well-developed root system allowing quick vigorous growth Monarch butterflies lay their eggs only on Milkweed plants - the only food source for their larvae Plant to help replenish depleted milkweed numbers and counter the threat to Monarch populations.