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Native Wildflower · Easy

How to Grow Large-Flowered Tickseed

Coreopsis grandiflora

Your complete guide to growing Large-Flowered Tickseed.

☀SunPartial shade (4-6 hours)
💧WaterDrought tolerant
🗺Zones4–9
📏Height1-3 feet
Large-Flowered Tickseed📷 Wikipedia: Coreopsis grandiflora

When to Plant Large-Flowered Tickseed

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 4 — April – June —
Zone 5 — April – June —
Zone 6 — April – June —
Zone 7 — March – May —
Zone 8 — March – May —
Zone 9 — February – April —

Companion Plants for Large-Flowered Tickseed

✓ Good companions

Black-Eyed Susan

Compatible native wildflower with similar water and soil needs, extends flowering season

Butterfly Weed

Attracts butterflies and beneficial insects, complementary root systems and bloom times

Little Bluestem Grass

Provides structural support and winter interest, compatible prairie companion with similar drought t…

New England Aster

Late-season bloomer that extends pollinator resources, similar soil and sun requirements

Prairie Dropseed

Native grass companion that provides contrast and doesn't compete for resources

Purple Coneflower

Similar growing conditions, attracts beneficial pollinators and creates complementary bloom successi…

Wild Bergamot

Attracts beneficial insects and pollinators, helps deter harmful pests through aromatic oils

Yarrow

Attracts beneficial predatory insects, improves soil through deep taproot

✗ Keep away from

Black Walnut

Produces juglone toxin that inhibits growth of many wildflowers including tickseed

Crown Vetch

Invasive legume that forms dense mats and outcompetes native wildflowers for space and nutrients

Tree of Heaven

Aggressive invasive that releases allelopathic chemicals suppressing native wildflower growth

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.