- The forcing begins just before Christmas
- How to care for strawberries in the greenhouse
- Alternative for small greenhouses: plant strawberry trees
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The weather often throws a spanner in the works for allotment gardeners. If, on the other hand, strawberries are planted in the greenhouse, you can look forward to an excellent harvest of the aromatic fruits with a little gardening skill and our tips. Or: How about a strawberry tree?
If you plant strawberries in the greenhouse, you can harvest earlier
Excellent protection from wind and weather, strawberries can also be grown in the greenhouse without any problems. In terms of taste, there is hardly any difference to those grown outdoors, even if the right rays of sunshine are missing under glass. A particular advantage of this protected rearing is that crop losses due to the rot that often occurs due to heavy rainfall do not occur at all and also Pests hardly stand a chance have to ruin your harvest.
The forcing begins just before Christmas
Until then, the plants should remain outside either directly in the field or previously planted in pots. The special feature of strawberry plants is that they first have to experience the real autumn and winter temperatures, otherwise they will sprout poorly at the beginning of spring and bear fruit later. From the second week of December they can go into the house, which should be as light as possible inside. The greenhouse strawberries are now slowly being acclimated to the milder heat levels, starting at 10 °C, before a few days later the temperature to approx. 20 °C may be increased.
How to care for strawberries in the greenhouse
In the following weeks, the root balls of the plants must not dry out under any circumstances. Moderate watering, but regular, will do. From the beginning of the growth phase, you can work with complete liquid fertilizer every seven to fourteen days, which regulates the nutrient supply. In nature, the bees do it, but in the strawberry greenhouse you have to do it yourself: shake the plants or treat them with a fine-haired brush. This takes care of the fertilization that should start at the beginning of the flowering period. Then we have to wait until the first weeks of April and the first little red fruits begin to be ready for harvest.
Alternative for small greenhouses: plant strawberry trees
The evergreen Arbutus unedo is an autumn and winter bloomer real eye-catcher in the glass house and with its characteristic strawberry scent, especially in the flower, perceptible from a meter away. Here is his short profile with the most important facts:
- Winter temperature: 2 to 8 °C;
- flower color: white to soft pink;
- Flowering time: November to early March;
- Cutting time: if necessary (shape cutting);
- Propagation: Top cuttings can be cut and planted over the summer; Sowing of the fruit seeds is also possible (20 to 22 °C);
- Special features: also tolerates light frost; also suitable for the conservatory because of the beautiful look;
tips
Insects like to be driven into greenhouses, especially when the weather is unfriendly.(72.95€) Fight aphids and spider mites that threaten your strawberries, best with the targeted release of beneficial insects, such as predatory mites or parasitic wasps,(22.99€) the You can obtain it from the garden trade.