How to Grow Strawberry Plants Indoors

Kasey Spencer
How to Grow Strawberry Plants Indoors

Growing strawberries indoors is a rewarding and enjoyable way to have fresh, juicy berries year-round. Whether you’re an urban gardener with limited outdoor space or simply looking to bring some greenery into your home, indoor strawberry gardening can be a great solution. With the right variety, a bit of care, and a few simple supplies, you can easily cultivate these delicious fruits indoors.

In this guide, we will walk you through the essential steps to successfully grow strawberry plants indoors. From selecting the best strawberry varieties to providing the right amount of light and water, we’ll cover everything you need to know to get started. Let’s begin your indoor strawberry-growing journey and turn your home into a mini berry farm!

Choosing the Right Strawberry Variety

Choosing the Right Strawberry Variety
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When growing strawberries indoors, selecting the right variety is crucial. Some varieties are better suited for indoor environments due to their growth habits and light requirements.

For indoor growth, everbearing and day-neutral strawberries are the best options. Everbearing varieties produce two main crops, one in early summer and another in the fall, while day-neutral varieties yield fruit continuously throughout the growing season, making them ideal for consistent indoor harvests.

June-bearing strawberries, on the other hand, produce one large crop in early summer and may not be as productive indoors.

When selecting plants, look for healthy, disease-free specimens with vibrant green leaves and a robust root system. Starting with high-quality plants will set the stage for a successful indoor strawberry garden.

Best Strawberry Varieties for Indoor Growing

  1. Alpine Strawberries: Alpine strawberries are small, but they are packed with flavor. They produce berries throughout the growing season and are known for their unique, intense taste.
  2. Benefits: These strawberries are ideal for indoor growing because they don’t produce runners, which means they won’t spread out and take up too much space.
  3. Popular Varieties: ‘Mignonette’, ‘Yellow Wonder’, and ‘Alexandria’.

Preparing for Indoor Strawberry Growing

Caring for Your Strawberry Plants
Image: Envato Elements

To grow strawberries indoors, you’ll need a few essential supplies and tools. Start with containers or pots that have good drainage to prevent waterlogging. Choose a quality soil mix that is light, well-draining, and rich in organic matter. If natural light is limited, invest in grow lights to ensure your plants get enough light for healthy growth.

Creating the ideal indoor environment is crucial. Strawberries thrive in temperatures between 60-75°F. Maintain a consistent temperature within this range to encourage growth and fruit production.

Humidity should be kept around 70%, as strawberries prefer a slightly humid environment. If your home is too dry, consider using a humidifier or placing a tray of water near the plants to increase humidity levels.

Planting Strawberry Seeds or Transplants

Planting Strawberry Seeds or Transplants
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To plant strawberries indoors, start by preparing your containers. Ensure they have drainage holes and fill them with a high-quality potting mix. Create small holes in the soil, spaced about 12 inches apart, for each strawberry plant.

Carefully place the strawberry plants in the holes, making sure the roots are well-covered but the crown (where the leaves meet the roots) is above the soil line. Gently firm the soil around each plant to eliminate air pockets.

After planting, water the strawberries thoroughly to settle the soil and establish the plants. Keep the soil consistently moist but not waterlogged. With proper initial care, your indoor strawberry plants will be off to a great start.

Spacing and Depth Requirements

When planting strawberry transplants, ensure they are spaced about 12 inches apart if planting multiple in a larger container. The crown of the plant should be at the soil level, not buried, to prevent rot. For seeds, thin the seedlings to the same spacing once they are large enough to handle. Proper spacing and planting depth are crucial for healthy growth and fruit production.

Caring for Indoor Strawberry Plants

Strawberry seedlings in hanging containers are sold at a garden center.
Image: Envato Elements

Proper care is essential for healthy indoor strawberry plants. Water your strawberries regularly, keeping the soil consistently moist but not waterlogged. Aim to water them deeply once or twice a week, adjusting based on your indoor environment’s humidity and temperature.

Fertilize the plants every few weeks with a balanced, water-soluble fertilizer to provide essential nutrients. Follow the package instructions for the correct dosage and application.

Prune your strawberry plants by removing any dead or yellowing leaves to encourage better airflow and growth. Additionally, train the plants by gently guiding runners back into the soil or trimming them if space is limited.

Monitor your plants for pests such as aphids or spider mites, and use organic insecticidal soap if needed. Prevent diseases by ensuring good air circulation and avoiding overhead watering. By following these care tips, your indoor strawberry plants will thrive and produce delicious fruit.

Encouraging Fruit Production

Encouraging Fruit Production
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To ensure your indoor strawberry plants produce fruit, you’ll need to assist with pollination. Gently shake the plants or use a small brush to transfer pollen from flower to flower. This mimics the action of bees and other pollinators.

Manage the blooming and fruiting cycles by providing consistent care. Maintain the right light, temperature, and watering schedule to keep the plants healthy. Regularly remove dead flowers and leaves to encourage new growth.

Maximize your yield by feeding the plants with a high-potassium fertilizer once they start flowering. Also, ensure they receive at least 6–8 hours of light daily, either from natural sources or grow lights.

Harvesting and Enjoying Your Strawberries

Harvesting and Enjoying Your Strawberries
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Knowing when to harvest your strawberries is key to enjoying the best flavor. Ripe strawberries are fully red and slightly soft to the touch. Gently twist the berries off the stem, taking care not to damage the plant.

After harvesting, rinse the strawberries and store them in the refrigerator. For the best taste, consume them within a few days. Freshly picked strawberries are perfect for eating on their own or adding to desserts and salads.

Troubleshooting Common Problems

Troubleshooting Common Problems
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If you notice yellowing leaves, it could be due to overwatering, nutrient deficiencies, or poor light conditions. Adjust your watering schedule, ensure proper drainage, and check your fertilization routine.

Poor fruit production might be caused by inadequate light or poor pollination. Make sure your plants are getting enough light and assist with pollination if necessary.

Watch out for pests like aphids and spider mites, which can affect strawberry plants. Use organic insecticides or natural predators to control them. For disease prevention, ensure good air circulation and avoid getting the leaves wet when watering.

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