The optimal time to plant strawberries is early spring for most growers. Get bare-root plants into the ground as soon as you can work the soil after winter ends. This gives roots months of cool weather to grow strong before summer heat arrives.
I tested both spring and fall planting in my mid-Atlantic garden two years ago using the same Chandler variety. The spring row put out strong runners by August and gave me a full crop the next June. My fall row lost three out of ten plants over winter because roots didn't have time to set deep before the first hard freeze. That test sold me on spring planting strawberries for anyone in zones 5 through 7. A neighbor tried the same test with Earliglow plants and got the same results, losing nearly half her fall-planted row.
Soil temperature and your local frost dates control the planting window. Strawberry roots start growing once soil hits 40°F (4°C) and they need cool conditions to build a strong base. Penn State Extension says to get plants in the ground no later than June 1 in northern zones. Planting too late pushes transplants into summer heat before they can take hold in the bed.
Zones 3 and 4 have the shortest window of all. You plant as soon as the ground thaws, which falls between mid-April and late May most years. Zones 5 through 7 open up earlier with March through April being the sweet spot for most growers. Warm-climate growers in zones 8 and 9 get a bonus option. Fall planting strawberries in October gives plants a full cool season to root in before spring fruit set begins.
You can pin down your exact date with two simple checks. First, look up your area's average last frost date through your county extension office. Plan to plant 2 to 4 weeks before that date. Second, push a soil thermometer about 4 inches deep in the morning. Once it reads 40°F (4°C) or above for three straight days, your ground is warm enough for bare-root plants.
I also learned the hard way that wet soil at planting time causes problems. One spring I rushed to get my Jewel plants in after a heavy rain. The soggy ground packed around the roots and three plants rotted within two weeks. Now I wait at least two dry days after rain before I start putting plants in the bed. A handful of soil should hold its shape when squeezed but crumble apart when you poke it.
Getting the timing right makes a huge difference in first-year growth. Plants that go into cool spring soil build twice the root mass of those planted in warm conditions. That strong root system feeds bigger berries and more runners through the season. Miss your window by a few weeks and you'll fight to keep stressed plants alive all summer long.
Read the full article: Growing Strawberries From Soil to Harvest
