How to grow strawberry
Family Rosaceae. Hardy to USDA hardiness zone 3a+ (U.S. Department of Agriculture). Full sun. Ready in 60-90 days first year (perennial).
Sun
Full sun
Spacing
12-18 in
Days to harvest
60-90 days first year (perennial)
Hardiness
Zone 3a+
What growers actually recorded
Loading zone 7b results…
When to plant strawberry
- Transplant out: ~-3 weeks after last frost.
Companion plants for strawberry
Plant with: Bean, Lettuce, Spinach, Borage.
Avoid near: Brassicas.
Common pests & problems
Slugs, birds, spider mites. Straw mulch keeps berries clean and named the plant.
Feeding & fertilizer
N-P-K ratio: Balanced 5-5-5, avoid fresh manure
Organic options: Compost mulch every spring · Blood meal + bone meal before flowering · Kelp meal after harvest
When to feed: Once in spring, once after fruiting. Renovate strawberry beds every 3 yrs.
Watch for: Runner overload but few berries = too much N.
N = nitrogen (leaves), P = phosphorus (roots and flowers), K = potassium (fruit and disease resistance). How to read a fertilizer label →
Grower's tip
Pinch runners the first year so the crown builds strength. You'll double yield in year two.
When to plant strawberry in your zone
Free month-by-month sowing and transplanting lists, built from frost dates for your USDA (United States Department of Agriculture) hardiness zone.
Soil & water for strawberry
Soil & pH
5.8-6.5 (berries lower; apples/pears 6.0-7.0)
Deep loam with sharp drainage. Berries dislike heavy clay and wet feet.
Compost mulch each spring. For strawberries, renovate the bed every 3 years to keep yields up.
Watering
1-1.5 in / week; 2 in during fruit swell
Drip. Overhead watering causes berry rot and apple scab.
Small, seedy fruit = drought during ripening. Steady water two weeks before harvest fixes it.
Knowing when to harvest
- Fully red across the entire berry: day-old white shoulders never sweeten.
- Pick every 2-3 days at peak. Cut, don't pull. The calyx stays with the berry.
- Chill immediately; flavor peaks the day of picking.
Storing & keeping
Unwashed, single layer in the fridge. 3-5 days. Freeze whole with sugar or make jam within 48 hours.
What to expect
Per plant: 0.5-1 lb per year established; June-bearers concentrated over 3 weeks; day-neutrals steady all season
Troubleshooting strawberry
Hollow, gray-mold berries
Likely cause: Botrytis in wet weather
What to do: Straw mulch under fruit; airflow; remove infected berries daily.
Berries pecked / hollowed
Likely cause: Birds or slugs
What to do: Netting for birds; iron phosphate for slugs; mulch keeps fruit off soil.
Varieties worth growing
Albion (day-neutral)
Fruits all summer, disease-resistant, top commercial variety.
Honeoye (June-bearer)
Cold-hardy, big harvest window.
Alexandria (alpine)
Small, intense flavor; grows from seed; perfect for containers.
Growing strawberry in containers
12 in deep strawberry pot; 4-6 plants; refresh soil annually.
Nutrition
Vitamin C, anthocyanins, ellagic acid (berries); pectin and quercetin (pome fruit).
Common questions
Should I remove runners?
First year: yes, all of them. The plant builds crown strength. Year 2+: keep 2-3 runners per plant to replace crowns as they age.
Why are my berries small?
Old crowns (3+ years), drought, or too much nitrogen (all leaves, small fruit). Renovate the bed every 3 years.
Where these numbers come from
- USDA Plant Hardiness Zone Map (2023 revision). Zone assignment and the 30-year normals behind every cold-hardiness figure.
- NOAA NCEI 1991-2020 Climate Normals. Frost dates, growing-season length, and the probability bands on both.
- Cornell, UMN, and UC Davis Cooperative Extension crop guides. Spacing, days to maturity, soil pH targets, and per-plant yield ranges.
- USDA FSIS / FDA Produce Safety guidance. Wash, cure, and cold-storage handling numbers.
Ranges are regional guidance, not a promise for your yard. Your own logged results always override the published range.