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Strawberries come in three basic types depending on their response to daylength. The most common type is the Junebearer and there are two called everbearers. The Junebearer produces runners during the long days of summer, forms flower buds during the short days of autumn, and fruits the following spring.
Temperature Affects
Fruit Forming
The two types of everbearers are double-cropping and day-neutral. The double-cropping types form flower buds during the long days of summer and the short days of autumn. The summer buds will flower and fruit in autumn while the autumn buds flower and fruit the following spring.
Day-neutral types are insensitive to daylength and will flower and runner continuously if tyemperatures remain above 35 F and below 85 F. Several named cultivars are ’Tribute,’ Tristar,’ ’Brighton,’ ’Hecker,’ Aptos,’ ’Fern,’ and ’Selva.’ ’Tribute’ and Tristar’ were bred specifically for the northeastern United States while the others are adapted to the West.
Day-neutral cultivars are rapidly replacing double-cropping types because of their superior fruit quality and high yields during the planting year.
Day-neutral cultivars do not run as profusely as Junebearers; therefore, they require a completely different cultural system. Plant 18 inches apart in double rows spaced 36 inches between double row middles. The double row consists of alternating plants with 9 inches between rows.
Plants can be set out in mid April to early May. All flowers should be removed until mid July of the planting year so the plant can put energy into vegetative growth.
Herbicides Cannot Be Used on
Day-neutral
Weed control is a problem with day-neutral strawberries. Since herbicides cannot be applied within 60 days prior to fruiting, chemicals are virtually eliminated. In addition, day-neutral types are more sensitive to herbicides than Junebearers.
Weeds will need to be cultivated by hand. It is important that your strawberries receive an inch of water each week. This can be applied almost any time during the day. One should, however, avoid watering in
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