How to Grow Cosmos Candystripe

Cosmos Candystripe

Cosmos bipinnatus 'Candystripe'

flower

Cosmos Candystripe is a vibrant annual flowering plant known for its distinctive bicolor petals featuring deep pink or red stripes on a white or pale pink background. The delicate, daisy-like flowers bloom prolifically throughout summer and fall, attracting pollinators and adding cheerful color to gardens and cut flower arrangements. This cultivar is an excellent choice for borders, cottage gardens, and naturalized plantings.

Looking for a specific variety?

Candystripe Sensation Mix Sea Shells Psyche Mix Picotee Versailles Pink

Growing Conditions

☀️

Sun: Full sun, 6-8 hours daily minimum

💧

Water: Moderate watering; allow soil to dry between waterings. Drought tolerant once established. Overwatering reduces flowering and encourages fungal issues.

📏

Spacing: 12-18 inches

📅

Days to maturity: 45-60

🌱

Planting depth: ¼ inch (seeds press lightly into soil surface; they need light to germinate)

Soil

Type: Well-draining sandy or loamy soil

pH: 6.0-7.5

Amendments:

Compost for initial planting Perlite or sand to improve drainage

Growing Zones

Find your zone →

Thrives in zones 2-11; grown as an annual in most regions

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a

Growth Stages

Seedling

10-14 days

Tiny seedlings emerge with simple leaves and delicate stems. Plants are very fragile at this stage.

Keep soil consistently moist but not waterlogged. Provide bright light to prevent leggy growth. Thin seedlings to proper spacing once they develop true leaves.

Vegetative

3-4 weeks

Young plants develop their characteristic feathery, finely divided foliage. Stems become sturdier and the plant establishes a bushy form.

Pinch back growing tips when plants are 6-8 inches tall to encourage bushiness. Water regularly but allow soil to dry slightly between waterings. Begin light fertilization.

Pre-flowering

2-3 weeks

Plants reach full size with dense, mounding growth and visible flower buds forming on stem tips.

Reduce watering slightly as drought stress can encourage flowering. Continue light fertilization every 2-3 weeks. Provide stakes or gentle support if needed in windy areas.

Flowering

8-12 weeks (until frost)

Beautiful striped flowers appear in clusters, with petals displaying distinctive pink or red stripes on white or pale backgrounds. Blooming continues prolifically.

Deadhead spent flowers regularly to extend blooming season. Water moderately during hot spells. Reduce fertilizer or switch to low-nitrogen formula to maintain flowering rather than foliage.

Decline

2-4 weeks before frost

As temperatures drop in fall and days shorten, flowering slows and plants begin to deteriorate before frost kills them.

Allow some flowers to remain on the plant if you want self-seeding. Collect seed pods before frost if you plan to save seeds for next year.

Companion Planting

Plan your garden →

Plant with:

Zinnias Marigolds Sunflowers Salvia Russian Sage Coreopsis Echinacea Verbena Lavender Sweet Alyssum

Avoid planting near:

Plants requiring consistent moisture Heavy shade-tolerant plants

Common Pests

Spray with water to dislodge; use neem oil or insecticidal soap if infestation is severe. Increase humidity around plants.
and
Hand-pick in early morning or evening. Use slug traps, copper barriers, or diatomaceous earth around plant bases.
Spray with strong water stream or insecticidal soap. Encourage beneficial insects like ladybugs.
Ensure good air circulation. Apply sulfur dust or neem oil at first signs. Remove affected leaves.

Uses

🍳

Edible Flower Garnish

Culinary

Cosmos flowers are edible and can be used as colorful garnishes for salads, desserts, and beverages. The petals add visual appeal and a delicate, slightly sweet flavor. [source]

🏠

Cut Flower Arrangements

Household

The long stems and distinctive striped blooms make Cosmos Candystripe excellent for fresh flower bouquets and floral arrangements. Flowers last 7-10 days in a vase. [source]

🦋

Pollinator Magnet

Wildlife

Cosmos flowers are highly attractive to bees, butterflies, and other beneficial pollinators, making them valuable for supporting pollinator populations in the garden. [source]

🎨

Dried Flower Crafts

Craft

Cosmos flowers dry beautifully and retain their color well, making them suitable for dried flower arrangements, pressed flower crafts, and other decorative projects. [source]

💊

Traditional Herbal Use

Medicinal

In some traditional medicine systems, Cosmos species have been used to support respiratory health and general wellness, though scientific evidence is limited. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Cut flowers in early morning when stems are fully hydrated for longest vase life (7-10 days). Harvest when flowers are fully open but still fresh. Regular deadheading of spent blooms encourages continuous flowering throughout the season. To save seeds, allow flowers to mature and dry on the plant, then collect seed pods before frost.

Fun Facts

🌱 Cosmos flowers were named by Spanish explorers who found them in Mexico and thought their perfectly arranged petals looked like 'cosmos' (Greek for 'order' or 'harmony').
🌱 The Candystripe variety's distinctive striped pattern is a result of selective breeding to enhance the natural color variations found in wild Cosmos bipinnatus species.
🌱 Cosmos plants are so cold-hardy as annuals that they often self-seed abundantly, returning year after year in the same garden without replanting.

Want personalized planting timelines?

Get started free