Milkweed by Linda Lewis Griffith UCCE Master Gardener Common Name: California Narrowleaf Milkweed and Mexican Whorled Milkweed Asclepius fascicularis Planting Zone: USDA 7-10 Size: 3-5 feet tall, with narrow 5-inch long leaves and 5-inch white or lavender flower clusters Bloom Season: Summer Exposur...