SproutSmart
SproutSmart™ Intelligent Garden Sowing

Versailles Mix

Cosmos
Zone 10b Save Garden

Planting Schedule

Add Versailles Mix to your garden to build a schedule and get reminders.
Botanical illustration of Versailles Mix
70d to harvest

A living bouquet in bloom—Versailles Mix opens into a riot of petals that glow in warm sunset tones and cool jewel shades, with feathery movement that seems to shimmer in the breeze. The flowers are airy yet richly colored, making a light-catching presence in the garden from early summer through fall, with a long, dependable season for continuous display. Ideal for pollinator gardens and ornamental borders, Versailles Mix brings effortless color drama and graceful texture to beds and containers alike.

Crop Dates

Growing note: In frost-free Zone 10b, grow this cool-season crop during the cooler dry season (October–February).
MilestoneDate
Start Indoors—
ClimateFrost-Free Climate
Transplant / Sow OutdoorsOct 1st
Harvest BeginsDec 10th
Harvest EndsFeb 28th

Crop Details

TraitValue
Days to Maturity70
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthSurface
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)Not Required

Today's Conditions

Outdoor planting for Versailles Mix in Zone 10b typically begins around 2026-10-01. Wait until soil reaches at least 60°F before transplanting Versailles Mix.

Garden Alerts

In frost-free Zone 10b, grow this cool-season crop during the cooler dry season (October–February).

Recommended Companions

Fireball Marigold
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Magellan Coral Zinnia
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Velvet Queen Sunflower
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Oklahoma Mix Zinnia
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African Marigold Marigold
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Teddy Bear Sunflower
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Frequently Asked Questions

What pest or disease most commonly affects Cosmos bipinnatus (Versailles Mix), and how do I control it?
Watch for aphids and caterpillars (often on tender new growth and flower buds). Rinse plants with a strong water spray, then spot-treat with insecticidal soap if you still see clusters, repeating every 5–7 days. Cosmos in crowded, damp conditions can also develop powdery mildew; improve airflow by thinning and water at the soil line rather than wetting foliage.
How often should I water Cosmos bipinnatus during the main growing phase?
During active growth and bud formation, keep the soil evenly moist but not soggy—about 1–2 inches of water per week depending on heat and soil drainage. Water deeply when the top 1 inch of soil feels dry, and then let it dry slightly before watering again to avoid root stress.
Botanical illustration of Versailles Mix

A living bouquet in bloom—Versailles Mix opens into a riot of petals that glow in warm sunset tones and cool jewel shades, with feathery movement that seems to shimmer in the breeze. The flowers are airy yet richly colored, making a light-catching presence in the garden from early summer through fall, with a long, dependable season for continuous display. Ideal for pollinator gardens and ornamental borders, Versailles Mix brings effortless color drama and graceful texture to beds and containers alike.

Today's Conditions

Outdoor planting for Versailles Mix in Zone 10b typically begins around 2026-10-01. Wait until soil reaches at least 60°F before transplanting Versailles Mix.

Garden Alerts

In frost-free Zone 10b, grow this cool-season crop during the cooler dry season (October–February).

Sowing Tips

Soil Temperature

Direct sow or transplant when soil at planting depth holds 60°F for reliable germination and early growth.

Expert Note

For best results, sow cosmos after frost directly in full sun and keep seedlings evenly moist until established, then let them dry slightly to prevent legginess.