Strawberries Garden Guide

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Strawberry Care At A Glance

  • Choose the best type for your area & needs.
  • Do not plant crowns too deep or too shallow.
  • Remove runners consistently to encourage crown development.
  • Remove the first flowers according to the variety planted.
  • Apply shallow but frequent water to establish new roots.
  • Fertilize according to the variety planted, starting the first spring after planting.

Strawberry Types

  • Junebearing
    • Do not allow them to flower or produce the first entire season. The first year's flowers should be removed.
    • Junebearing produces one sizable crop per season in early to mid-summer (Typically in June; hence the name)
    • Junebearing plants will produce reliably for about 5-6 years if properly cared for and maintained.
    • Replant Junebearing plants every 3-4 years for successive crops.

NOTE: Day-neutral are types of overbearing.

    • Everbearing plants should have flowers pinched off for the first 6-8 weeks but can then be allowed to produce later that season with no worries.
    • Everbearing types can produce two crops per season (weather permitting). In colder climates, some seasons may be too short for plants to produce multiple crops.
    • Day-neutral types can be allowed to produce starting in July of their first year and will produce sporadically through the season typically until Oct. (again, weather permitting).
    • Everbearing & Day-neutral types are not as cold-hardy as Junebearing types.
    • Everbearing plants should be replanted every other year, to keep them consistently producing, especially in colder climates (Zone 6 and colder).

Strawberry Planting Instructions

Proper planting depth is critical for establishment. Do not plant too deep, and not too shallow. Pinch off any old dry leaves, or runners and plant individual crowns with roots straight and properly spread out in the soil with just the base of the crown and roots covered. When they are properly planted, the crown should not be covered with soil, nor should the top of the roots be exposed. If they are not quite right, simply lift them and try again until they are at the right depth. Strawberry crops should be watered through the growing season using the 1 inch per week rule as you would with other vegetable crops. Strawberries prefer loose, sandy, or well-drained but organically rich soils.

  • Junebearing types are typically planted using the Matted Row system, which means plants are spaced in rows 15-24 inches apart in rows limited to 12-15 inches wide, and 36 inches spacing between each row. Some runners can grow between individual plants within the row, but always remove runners that want to grow in the space between the rows in the mat system.
  • Everbearing/Day-neutral types are planted in a Hill system, which has nothing to do with mounding them, this simply means plants are placed in 3 staggered rows with 12 inches between each plant and each row of 3 is then separated with 36 inches spacing between those rows. In this system, remove all the runners, all the time. Strawberry plants that form too many runners will prevent the mother plants from producing good healthy crops. Runners or baby plants rob the mother plant's energy to flower, set and hold fruit.

Strawberry Care - Maintenance After Establishment

  • Fertilizing
  • Strawberry plants form flower bud wood for next year's crop at the end of the summer of the season prior. Blossom buds and flowers consume a great deal of the plant's energy, therefore proper fertilization is important for potential fruit production. Use a fertilizer that is lower in nitrogen and higher in phosphorus with some potassium, such as Jung Jump-Start Strawberry Food. Nitrogen-rich soils encourage vast runners and inhibit flowers & fruit.

    • Junebearing types are fertilized in August after renovation happens. In most situations, you should never fertilize Junebearing types in early spring, as this encourages foliage growth and suppresses flower & fruit production. (Renovation see below)
    • Everbearing/ Day-neutral types are fertilized during every month they are flowering or setting fruit, which helps replenish their depleted nutritional resources.
  • Renovation is the process of removing the past season's vegetation to physically control plant growth, limit potential disease issues, and encourage new healthy foliage and fruits for the next season.
    • Mow off old foliage.
    • Cutting and cleaning out all old foliage but take care to not damage or cut the crowns. Damaged crowns may not regrow.
    • Pull any weeds prior to clipping plants.
    • Trim off any runners to maintain rows at 12-15-inch widths and then top-dress around plants with fresh compost or mulch to help retain moisture and suppress weed growth.
  • Winter Protection
  • Although strawberry plants are a good cool-weather crop, the crowns can be damaged by long cold severe winters. Therefore, plants need winter protection in zones 6 and colder.

NOTE: Fall-planted strawberries need about 6-8 weeks prior to first frosts to become properly established. Remove any blooms that form the first fall.

    • Clean straw, marsh hay, or wood shavings can be used.

NOTE: Fallen tree leaves are not typically recommended due to the potential for the spread of diseases.

    • If leaves are used, chopping or mowing leaves first to a smaller consistency is recommended, which encourages oxygen and prevents matting.
    • After hard frosts (28°-29°) push plants into dormancy and the ground has frozen to approx. ½ deep, then cover with 4-6 inches of loose mulch material.
    • Leave mulch material on until early spring when plants can then be uncovered to take advantage of spring sunshine but keep mulch material nearby after uncovering to easily recover plants again if late hard frosts threaten.
    • Spring flowers can be damaged at 30°F or lower, however, the strawberry foliage can typically withstand lower temperatures with no issues, but crowns can be permanently damaged if temps get too cold. If you are not sure how cold it will get overnight, cover. Better safe, than sorry.