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Flower · Easy

How to Grow Giant Hybrid Mix

Dahlia variabilis

Your complete guide to growing Giant Hybrid Mix.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterRegular; consistent moisture during growing season and heat, but not waterlogged. Allow soil to dry slightly between waterings
📅Harvest75-90 days
🗺Zones7–10
📏Height1-6 feet
Giant Hybrid Mix📷 Wikipedia: Flower

When to Plant Giant Hybrid Mix

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

ZoneStart IndoorsDirect SowHarvest
Zone 1 May – June July – September —
Zone 2 April – May June – August —
Zone 3 April – May June – August —
Zone 4 March – April June – July —
Zone 5 March – April May – July —
Zone 6 March – April May – July —
Zone 7 February – March April – June —
Zone 8 February – March April – June —
Zone 9 January – February March – May —
Zone 10 January February – April —
Zone 11 January January – March —
Zone 12 January January – March —
Zone 13 January January – March —

Companion Plants for Giant Hybrid Mix

✓ Good companions

Borage

Attracts pollinators and beneficial insects while improving soil with deep taproot

Calendula

Repels aphids, whiteflies, and nematodes while attracting beneficial insects

Cosmos

Attracts pollinators and beneficial predatory insects while providing structural diversity

Lavender

Repels moths, fleas, and mosquitoes with its strong fragrance

Marigolds

Repel nematodes, aphids, and other garden pests while attracting beneficial insects

Nasturtiums

Act as trap crops for aphids and cucumber beetles, also repel squash bugs

Sweet Alyssum

Attracts beneficial insects like lacewings and hoverflies that control aphids

Zinnia

Attracts butterflies, bees, and beneficial predators while having similar growing requirements

✗ Keep away from

Black Walnut

Releases juglone toxin that inhibits growth and can kill many flowering plants

Eucalyptus

Releases allelopathic chemicals that suppress growth of most other plants

Fennel

Produces allelopathic compounds that inhibit germination and growth of nearby plants

Notes from the garden

A greener inbox, occasionally.

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