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Tulip

Tulipa (garden hybrids) · Liliaceae

Classic spring bulb

Tulip

Photo: John O'Neill, CC BY-SA 3.0, via Wikimedia Commons

Sun
Full sun
Soil
Well-drained soil
Soil pH
About 6.0-7.0
Water
About 1 in per week from bud through early foliage. Keep drier during summer dormancy (bulbs rot if overwatered)
Hardiness
USDA zones 3-8. Needs 12-16 weeks of chilling; pre-chill bulbs in warm Southern areas
Height and spread
4 in-2.3 ft x 6-9 in

Guv's tipLeave tulip foliage at least six weeks, or until it yellows. Keep bulbs drier during summer dormancy, as they rot if overwatered.

Through the year

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sow or plant
In flower

Months are a rough guide. Time it by your own frost dates: fall planting.

When to plant

Fall. In central and coastal South Carolina, plant late Nov-early Jan after refrigerating the bulbs

Flowering

Spring

Pruning

Deadhead. Leave the foliage for at least 6 weeks, or until it yellows, before removing it

Making more plants

Offsets or division of bulbs

Watch out for

Pest

Squirrels, mice and voles

Look for: Dug-up or eaten bulbs

What to do: Animals rarely eat daffodils - consider daffodils where damage is heavy

Pest

Aphids

Look for: Clusters on shoots and flowers; vectors of tulip break virus

What to do: Hose off; insecticidal soap or oil

Disease

Tulip fire

Botrytis tulipae

Look for: Distorted, twisted shoots; scorched leaf spots; gray mold on flowers; black sclerotia

What to do: Inspect and discard infected bulbs, do not replant tulips in that spot for 3+ years, remove infected plants

Always read and follow the label on any treatment, and check it is approved for use where you live.

Safety and spread

Pets and people: Toxic to dogs, cats and horses. Tulipalin A and B, highest in the bulb, cause vomiting, depression, diarrhea and hypersalivation (ASPCA). NC State Extension rates it low severity; skin contact can cause allergic dermatitis. The University of California lists it as minor toxicity and a skin irritant

Weed risk: Not on the federal noxious weed list

Checked against two or more reputable gardening sources. How we check our facts

Growing somewhere else? See this plant for the UK.

Keep it by the back door

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