Garden Planet Book

Berry Planting Calendar by Zone

Berry timing confuses people because two calendars run at once. There is the planting calendar, which most garden writing covers, and the ordering calendar, which is what actually constrains you. Bare-root plants are dug, stored and sold on a schedule that has little to do with when you'd like to plant them. Deciding in April to plant strawberries often means discovering the stock you wanted sold out in January.

Ordering runs ahead of planting

Nurseries take orders from December through March for spring shipment. That's the window, and it closes on popular cultivars well before it closes on the calendar.

For raspberries, the University of Minnesota advises ordering certified virus-free plants in winter. That is not a convenience recommendation. Raspberry viruses cannot be cured, certified stock is limited, and a late order means choosing between waiting a year and buying something uncertified.

Bare-root strawberry stock has a supply ceiling built into how it's handled. "Frigo" plants are dug in early to mid winter and held at -1.5°C. Storability runs 5 to 6 months, which is why supply typically ends around June regardless of demand. There is no back half of the season for this stock.

The two strawberry seasons

This is the part that trips up anyone following national advice in the Southeast, or Southeast advice anywhere else.

Strawberries have two buying seasons. The national spring season runs December through April, supplying dormant bare-root plants for spring setting across most of the country. The Southeast fall season runs August through October, supplying plug plants for fall-planted annual hill systems.

Brambles have one. Raspberries and blackberries are a December-through-March order window for spring planting, nationally. There is no meaningful fall-planting consumer market for brambles the way there is for strawberries.

If you read a source that assumes one strawberry season, check which one it assumes before you act on it.

Planting windows by region

RegionCrop and systemOrderPlantFirst real crop
Zones 3-5 (North, Upper Midwest)Strawberries, matted row, dormant bare-rootDec-MarApril-MayFollowing spring
Zones 3-5Strawberries, potted or plug plantsDec-AprMay-JuneFollowing spring
Zones 6-7 (upstate, mid-elevation South)Strawberries, matted rowDec-MarSpringFollowing spring
Zones 7b-9 (SE Coastal Plain, Sandhills)Strawberries, annual hillAug-OctSept 15 - Nov 15Following spring
Zones 7b-9, UpstateStrawberries, annual hillAug-SeptSeptemberFollowing spring
Zones 7b-9, Coastal PlainStrawberries, annual hillAug-OctOctober (optimal)Following spring
NorthRaspberries, all typesDec-MarEarly springYear two
Southeast, above 2,000 ftRaspberriesDec-MarEarly springYear two
SoutheastBlackberriesDec-MarEarly spring, several weeks before last frostYear two

A few notes that the table compresses:

Matted row in zones 6-7 follows the same logic as the North — set in spring, fruit the following spring. The intervening summer goes into runner establishment, not fruit. See when to plant strawberries by zone for finer regional detail.

The Southeast fall window is narrow and the optimum inside it shifts with elevation. Clemson puts the range at September 15 to November 15, with October optimal on the Coastal Plain and September in the Upstate.

Southeast raspberries are an elevation crop. Below roughly 2,000 feet they generally do not produce well, and no planting date fixes that. Blackberries are the Southeast bramble; NC State's home garden guide is the regional reference, and its cultivar recommendations carry the caveat that they perform "except where temperatures drop below 10°F." Plant them several weeks before the last frost, not after — dormant stock wants to root out in cool soil before it pushes top growth.

The care calendar

Planting is one week a year. The rest of the calendar is what determines whether the planting produces.

WindowWork
December - MarchOrdering season. Certified stock, all crops
February - MarchDormant pruning. Mow fall-bearing raspberries to the ground; thin summer-bearing primocanes; cut blackberry laterals back
April - MaySpring planting, North. Pinch first-year strawberry blossoms
June - AugustStrawberry renovation immediately after last harvest; runner management; remove fruited floricanes
August - OctoberSoutheast strawberry ordering and fall planting
September - OctoberStrawberry fruit buds form for next season — the payoff window for summer renovation
November - DecemberWinter mulch. 4-6 in weed-free straw on strawberries after several hard freezes

Two of those rows do more work than the rest.

Renovation in June through August is not cleanup. Strawberry fruit buds for the following season form in September and October, so the condition of the plant going into fall is the yield you harvest next June. It is the highest-leverage item on this calendar and the one most often skipped.

Winter mulch in November or December goes on after several hard freezes, not at the first frost. The goal is insulating plants that have already hardened off; mulching too early interferes with dormancy.

Working backward

Decide the system first — matted row or annual hill, summer-bearing or fall-bearing — because the system sets the planting window, the window sets the order date, and the order date is usually three to six months earlier than people expect.

The stock decision matters as much as the date. Bare-root vs plug strawberry plants covers which form suits which window, and certified organic vs certified disease-free covers what the certification on your order form is actually promising. For the practices these dates support, start at growing berries organically.