Strawberries Grown in Containers
Fragaria ananassa Full Sun Soil pH: 5.5 to 6.5
Grown indoors you can be harvesting strawberries 12 months out of the year, they can also be grown hydroponically. See - Hydroponic Strawberries
Soil ~ Fertilizer ~ Compost
Soil nutrients in container plants is leeched away via drainage more rapidly than in conventional gardens. A diluted, balanced, soluble fertilizer every 7 - 10 days is advisable. 10-10-10 or 20-20-20. If your strawberry plants produce abundant lush green foliage, but very little fruit, stop fertilizing - they are probably getting too much nitrogen.
Soil pH in the range of 5.5 to 6.5 is considered optimal , but good yields have been produced with a pH as high as the 7.5 range.
Compost added to the containers s a good idea only if you intend to keep the plant outdoors. Indoors - well yes, it will still benefit the plant but compost and other decaying organic matter is not something I normally bring into my home. Some people use worm castings, if you have access to these -go for it. See Worm Composting .
If at all possible try not to use soil from your yard, especially if you are going to bring your plants inside. Potting soil with some vermiculite and or perlite is best. If you are going to use ground soil - it will work - but potting soil is best.
Strawberries do best in Full sun, at least 6-8 hours daily. Whether you are growing them indoors or out, choose a well lit area - inside near a southern exposure window - outdoors , in a sunny spot.
Artificial light also works fine - no - not the standard household light bulbs , they lack the requisite light spectrum that natural sunlight provides. Fluorescent or other grow lights are best. Grown indoors you can be harvesting strawberries 12 months out of the year, they can also be grown hydroponically.
PollinationStrawberries need pollination to set fruit, they are not wind pollinated, they need pollinating insects such as bees and butterflies. If your plants are growing in containers indoors or in a sheltered porch - this isn't going to happen so you will either need to hand pollinate them or place them outdoors when they are flowering to let Mother Nature do her job.
Outdoors you will want to attract bees and pollinating insects to the plants. Placing them near blooming flowers will help. One plant prized for attracting bees is Borage. Borage attracts pollinators as well as beneficial insects that prey on many strawberry pests.
Thank You and Happy Gardening.