My Deer Garden

Plant record · Biennial

Is Sweet William deer resistant?

Dianthus barbatus

Dense heads of sweet william flowers
Photo by Andrey Korzun, CC BY-SA 3.0. Via Wikimedia Commons.
Damage step 2 of 4 · Seldom Severely Damaged

Mostly. Light browsing at worst; rarely ruined.

Hardiness
Zones 3–9
Bloom
Spring
Maintenance
Low
Toxic to
dogs, cats, and horses

Damage steps follow a published university field scale. How plants are rated.

About Sweet William

A biennial, so sow one year and flower the next, and let it self-sow to keep a run going. Dense flat heads in strong pinks and reds with a light clove scent. Wants alkaline sharp-drained soil.

Soil and care

Soil pH
6.5 to 7.5
Drainage
Well drained
Water
Moderate
Spacing
10 to 14 in apart
Growth rate
Moderate
Maintenance
Low

Similar to Sweet William

Other biennials with the same deer rating.

Where Sweet William grows

Hardy across every state on zone range alone. Mountain and coastal areas sit outside the ranges used here, so check your own zone before ordering. Select any state, including one it will not grow in, for what is resistant there.

Alabama — hardy here. Zones 7 to 9.Alaska — hardy here. Zones 1 to 8.Arizona — hardy here. Zones 5 to 10.Arkansas — hardy here. Zones 6 to 8.California — hardy here. Zones 7 to 10.Colorado — hardy here. Zones 3 to 6.Connecticut — hardy here. Zones 5 to 7.Delaware — hardy here. Zones 7 to 7.District of Columbia — hardy here. Zones 7 to 8.Florida — hardy here. Zones 8 to 11.Georgia — hardy here. Zones 7 to 9.Hawaii — hardy here. Zones 9 to 12.Idaho — hardy here. Zones 3 to 7.Illinois — hardy here. Zones 5 to 7.Indiana — hardy here. Zones 5 to 6.Iowa — hardy here. Zones 4 to 6.Kansas — hardy here. Zones 5 to 7.Kentucky — hardy here. Zones 6 to 7.Louisiana — hardy here. Zones 8 to 10.Maine — hardy here. Zones 3 to 6.Maryland — hardy here. Zones 6 to 8.Massachusetts — hardy here. Zones 5 to 7.Michigan — hardy here. Zones 4 to 6.Minnesota — hardy here. Zones 3 to 5.Mississippi — hardy here. Zones 7 to 9.Missouri — hardy here. Zones 5 to 7.Montana — hardy here. Zones 3 to 6.Nebraska — hardy here. Zones 4 to 6.Nevada — hardy here. Zones 4 to 9.New Hampshire — hardy here. Zones 3 to 6.New Jersey — hardy here. Zones 6 to 7.New Mexico — hardy here. Zones 4 to 9.New York — hardy here. Zones 4 to 7.North Carolina — hardy here. Zones 6 to 8.North Dakota — hardy here. Zones 3 to 4.Ohio — hardy here. Zones 5 to 6.Oklahoma — hardy here. Zones 6 to 8.Oregon — hardy here. Zones 6 to 9.Pennsylvania — hardy here. Zones 5 to 7.Rhode Island — hardy here. Zones 6 to 7.South Carolina — hardy here. Zones 7 to 9.South Dakota — hardy here. Zones 3 to 5.Tennessee — hardy here. Zones 6 to 8.Texas — hardy here. Zones 6 to 9.Utah — hardy here. Zones 4 to 9.Vermont — hardy here. Zones 3 to 5.Virginia — hardy here. Zones 6 to 8.Washington — hardy here. Zones 5 to 8.West Virginia — hardy here. Zones 5 to 7.Wisconsin — hardy here. Zones 3 to 5.Wyoming — hardy here. Zones 3 to 6.
Hardy on zone rangeNot hardy — still linked
Choose a state from the listeasier on a phone

Common questions about Sweet William

Is Sweet William deer resistant?
Sweet William (Dianthus barbatus) is rated Seldom Severely Damaged, step 2 of 4 on the damage scale this site uses. Light browsing at worst; rarely ruined.
What hardiness zones does Sweet William grow in?
Sweet William is hardy in USDA zones 3 to 9. Outside that range it will either not survive winter or will struggle with summer heat.
Does Sweet William grow in shade?
No. Sweet William wants full sun and will grow thin and flop in shade.
How big does Sweet William get?
Mature height is roughly 12–24 in. Growth rate is moderate.
Is Sweet William toxic to dogs or cats?
Yes. The ASPCA lists Sweet William as toxic to dogs, cats, and horses. Site it away from where animals graze, or choose something else if you have a dog that chews.

Browse from here

Every list Sweet William belongs to.

All biennials·Seldom damaged·Full sun plants

Hardy in these zones

Zone 3·Zone 4·Zone 5·Zone 6·Zone 7·Zone 8·Zone 9

Damage ratings follow the four-step field scale published by Rutgers University. Growing data is compiled from state extension sources and still being verified record by record. Last reviewed .