Is Ageratum deer resistant?
Ageratum houstonianum
Plant typeAnnualHardinessGrown as an annual, any zoneLightPart shadeMature height6–12 inBloomSummer and Fall
MaintenanceLow, mostly leave it alone
About Ageratum
Fluffy blue flower clusters all summer. One of very few annuals deer reliably ignore, and it takes part shade better than most bedding plants.
Soil and care
- Soil pH
- 6 to 7
- Drainage
- Consistently moist
- Water
- Moderate
- Spacing
- 8 to 12 in apart
- Growth rate
- Fast
- Maintenance
- Low
Similar to Ageratum
Other annuals with the same deer rating.
- Angel's TrumpetBrugmansia sp.Grown as an annual, any zoneRarely damaged
- AnisePimpinella anisumGrown as an annual, any zoneRarely damaged
- Annual VincaCatharanthus roseusGrown as an annual, any zoneRarely damaged
- Dusty MillerCentaurea cinerariaGrown as an annual, any zoneRarely damaged
- False CamomileMatricaria sp.Grown as an annual, any zoneRarely damaged
- Flowering TobaccoNicotiana sp.Grown as an annual, any zoneRarely damaged
Where Ageratum grows
Hardy across most of these 51 states on zone range alone. Mountain and coastal areas sit outside the ranges used here, so check your own zone before ordering.
- Pennsylvania
- New Jersey
- New York
- Connecticut
- Massachusetts
- Virginia
- Maryland
- Michigan
- Wisconsin
- Ohio
- Indiana
- Illinois
- Minnesota
- Missouri
- North Carolina
- Tennessee
- Georgia
- Texas
- Colorado
- California
- Oregon
- Washington
- New Hampshire
- Vermont
- Maine
- Rhode Island
- Delaware
- West Virginia
- Kentucky
- South Carolina
- Florida
- Alabama
- Mississippi
- Louisiana
- Arkansas
- Oklahoma
- Kansas
- Nebraska
- Iowa
- North Dakota
- South Dakota
- Montana
- Wyoming
- Idaho
- Utah
- Nevada
- Arizona
- New Mexico
- Alaska
- District of Columbia
- Hawaii
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Every list Ageratum belongs to.
Hardy in these zones
Common questions about Ageratum
- Is Ageratum deer resistant?
- Ageratum (Ageratum houstonianum) is rated Rarely Damaged on the Rutgers NJAES four-tier scale. Deer almost always leave this alone.
- What hardiness zones does Ageratum grow in?
- Ageratum is hardy in USDA zones 2 to 11. Outside that range it will either not survive winter or will struggle with summer heat.
- Does Ageratum grow in shade?
- Yes. Ageratum tolerates part shade, which makes it one of the options for a shaded bed where deer also browse.
- How big does Ageratum get?
- Mature height is roughly 6–12 in. Growth rate is fast.