Bield:Farm
State × crop calendar

Clover planting in Montana.

Primary cropZone 4b125-day seasonLast frost May 20ForageFrost Hardy

Clover planting in Montana is shaped by the state's 4b dominant hardiness zone, last frost date around May 20, and a 125-day growing season. Clover is widely grown in Montana — commercially significant or common in home gardens and food plots.

Planting dates on this page are climatological estimates from USDA frost-date norms and zone-typical planting offsets. Verify against Montana State University Extension for variety- and county-specific guidance.

Planting calendar — 2026

Clover · Montana · planting calendar
JanFebMarAprMayJunJulAugSepOctNovDeclast frostfirst frostSPRING PLANTINGFALL PLANTING
Ideal windowEarliest / latest tailsFrost zone

Planting windows shift earlier in southern parts of the state and later in northern parts. Use last frost date in your specific county as the reference.

Planting windows

Spring planting

Clover
Earliest
April 15
Ideal start
April 29
Ideal end
May 27
Latest
June 17
Soil-temp triggerFrost-seed onto frozen ground in late winter for natural soil incorporation. Fall-seed in southern states for over-winter establishment.

Fall planting

Clover
Earliest
July 7
Ideal start
July 22
Ideal end
August 6
Latest
August 21
Soil-temp triggerFrost-seed onto frozen ground in late winter for natural soil incorporation. Fall-seed in southern states for over-winter establishment.

Harvest window

Typical start
June 28
Typical end
July 28

Harvest timing varies with planting date and seasonal weather — these dates are typical for the ideal planting window.

Growing notes

Clover grows well in Montana's typical climate. Montana's 125-day growing season and 4b hardiness zone support reliable production with appropriate variety selection.

Clover is widely grown in Montana — commercially significant or common in home gardens and food plots.

Agronomy reference

Soil-temp minimum
40°F
Soil-temp optimum
50–75°F
Days to maturity
60–90
Water (in/wk)
0.5–1"
Soil pH
6–7
Nitrogen demand
low

Frost-seed in late winter or early spring; can also be fall-planted in southern states. Red clover is biennial; white clover is perennial.

Common pests to watch

  • Clover leaf weevil
  • Aphids
  • Spider mites

Pest pressure varies by region and year. Confirm current outbreaks with Montana State University Extension.

Common diseases

  • Northern anthracnose
  • Crown rot
  • Sclerotinia

Resistance varieties shift each year. Check the current variety trial report for your state.

Variety selection

Variety selection

Clover varieties for Montana live with your extension service.

Variety performance is micro-regional and changes with each year’s trial cycle. We don’t republish variety lists — instead, we point directly at the source.

Search the extension site for “clovervariety trial” or “recommended clover varieties” to find the current report.

Yield varies significantly by variety, soil, fertility, and management. Consult your state extension service for variety performance trials in your region.

Beyond the harvest

Hunting use · food plot

Clover as a hunting food plot.

Clover is the single most important food plot species for whitetail deer. Permanent clover plots produce summer protein and fall attraction year after year. Plan your clover food plot in Bield: Hunt for peak rut timing.

Attractswhitetail deerwild turkey

Clover timing. Live alerts.

Bield: Farm ties weather and soil-temperature stations in your county to crop planting thresholds — get notified the day soil temp clears your target window.