Picotee Cosmos (Cosmos bipinnatus)
Plant Care Specifications

Refined Elegance: Discover Picotee Cosmos (Cosmos bipinnatus)
Boasting pure white blossoms delicately edged with rosy pink to magenta, the Picotee Cosmos (Cosmos bipinnatus) is a breathtaking specialty variety that looks refined and delicate, yet requires very little care to thrive. Standing at an airy 48 inches tall, this easy-to-grow warm-season annual makes an ideal starter plant if you are new to growing from seed, while effortlessly dressing up garden borders and attracting a host of butterflies and pollinators.
Plant Profile at a Glance
- Botanical Name: Cosmos bipinnatus (Picotee Cosmos)
- Plant Type: Warm-Season Annual / Garden Flower
- Mature Height: 48 inches tall
- Bloom Season: Early summer through early fall
- Sun Exposure: Full sun
- Soil Requirements: Well-draining soil; germinates best in warm soil between 65–75 degrees F
- Hardiness Zones: USDA Zones 1–12
A Rich Global Heritage
Cosmos carry a fascinating history rooted in exploration:
- Mexican Origins: Native to Mexico, these bright annuals naturally meet high heat and drought conditions with incredible vigor and resilience.
- Discovery and Naming: Spanish conquistadors searching for gold first encountered these flowers on their journeys. Priests subsequently included them in mission gardens, giving them the name cosmos—derived from the Greek word for a “harmonious universe”—in honor of their perfectly symmetrical, neatly spaced petals. From there, they traveled to England in the 18th century and later across the United States.
Garden Performance and Wildlife Value
Picotee Cosmos are as tough as they are picturesque:
- Drought-Resistant Beauty: Once established after regular early watering, plants become remarkably drought-tolerant. Avoid overwatering; a deep soak during prolonged dry spells is all they require.
- Cut Flowers and Pollinators: The blooms provide a stunning centerpiece for summer bouquets with a reliable vase life of 7 to 10 days, while feeding local bees, butterflies, and birds.
Growing and Care Tips
Establishing and maintaining Picotee Cosmos is delightfully simple:
- Sowing: In early spring or after the last frost, scatter seeds directly on the surface of loose soil, keeping them lightly moist until germination occurs in 10 to 20 days. Because they germinate quickly in warm earth, successive batches can be sown right up until midsummer. To start indoors, surface-sow in flats 6 to 8 weeks before the last spring frost.
- Maintenance and Support: Water regularly until blooming begins, after which they tolerate dry spells with ease. Because they reach a stately height of 4 feet, taller stems may appreciate gentle staking in windy spots. If mid-season blooming slows down, shear the plant back to 12 inches to trigger a brand-new flush of flowers in about 4 weeks.
- Harvesting: Snip long stems of freshly opened blossoms for indoor arrangements, stripping away any foliage that falls below the waterline.
Bring One Home
Ready to fill your garden with tall, dancing stems of pristine white-and-magenta picotee petals and lively butterflies? Our nursery-grown Picotee Cosmos are carefully cultivated and ready to thrive. Scan the QR code right on your plant pot to explore our complete growing guides, care tips, and full botanical inventory!