How to Grow Strawberries Indoors – 5 Awesome Pointers

Whoever said strawberries were meant for the great outdoors clearly didn’t know the secret to bringing the berry patch inside! No need to wait for that elusive perfect weather. By learning the magic of how to grow strawberries indoors, you can have your favorite delicious fruits all year round.

Growing strawberries indoors became my winter project, a delicious escape from the cold. Armed with a sunny windowsill and a few pots, I got to work. I first planted those strawberry seedlings, tucking them into nutrient-rich potting soil and ensuring proper drainage. I even rigged up a simple full-spectrum LED grow light to supplement the winter sunlight. 

Strawberries are a bit slower indoors than outdoors, but it can be done, and I’m excited to share the details with you!

Table of Contents

Can I Grow Strawberries Indoors?

One of the most enticing aspects of growing strawberries indoors is enjoying these delectable homegrown strawberries throughout the year. 

While outdoor strawberries are at the mercy of seasons, indoor cultivation lets you harvest your favorite fruit even in the dead of winter. It’s like having your strawberry stash ready to brighten your mornings, no matter the weather.

Growing strawberries indoors grants you unprecedented control. You can play Mother Nature by regulating temperature, humidity, and light exposure. This means you can create an environment optimized for strawberry growth, ensuring your plants are comfortable and thriving. 

Have you ever bitten into a store-bought strawberry only to be disappointed? When you grow strawberries indoors, you become the guardian of quality. You select the potting mix, choose organic methods, and avoid harmful chemicals. The result? Plump, juicy strawberries bursting with flavor, unlike anything you’d find at the supermarket. Indoor strawberry plant cultivation makes pest control a breeze. 

When growing strawberry plants indoors, you can shield your strawberry plants from common outdoor nuisances like slugs, birds, and insects. You can keep your indoor strawberry patch pristine and pest-free with a watchful eye.

How Do I Plant Indoor Strawberries?

There are a few options for planting strawberries indoors. From strawberry seeds, bare-root strawberry plants, or strawberry seedlings. I prefer the bare root or seedling option as it saves A LOT of germination time and patience. 

Here’s a rundown on planting bare-rooted strawberry plants:

  • Choose your container: Select containers with good drainage, such as hanging baskets, window boxes, or rectangular planters. Ensure it’s at least 8-12 inches deep to accommodate the bare-root strawberry plant.
  • Prepare your soil: Fill the container with a high-quality potting mix that provides excellent drainage. Add well-rotted compost to enrich the soil and provide nutrients. Aim for a slightly acidic pH level between 5.8 and 6.2.
  • Select healthy plants: Choose healthy, disease-free strawberry plants. Ensure roots are moist and foliage is vibrant. You can use bare-root strawberry plants; just ensure to hydrate the roots for 4-6 hours before planting.
  • Spacing: Plan the layout with 8-12 inches of space between each plant. Consider arranging plants in a triangular pattern for efficient use of space.
  • Plant at the correct depth: Dig small holes for each strawberry plant. Plant them so the crown (where the roots meet the stem) is level with the soil surface. Avoid burying the crown too deep to prevent rot.
  • Water thoroughly: After planting, give your strawberries a generous watering to settle the soil and establish their roots. Maintain consistent moisture without waterlogging.
  • Apply mulch: Add a layer of mulch (straw, pine needles, or shredded newspaper) around the plants. Mulch helps conserve moisture, suppress weeds, and keep berries clean.
  • Provide support and training: Using stakes or small trellises to support fruit-bearing branches as the plants grow—secure branches with clips to keep the fruit clean and easily accessible for harvest. If you are using hanging baskets, you can let the fruit dangle down.

What Care Do Indoor Strawberries Require?

Watering

Growing strawberries indoors requires you to keep the soil moist but not waterlogged. Water whenever the top inch of soil feels dry to the touch. A drip tray under the container can help, and drainage holes prevent overwatering by allowing excess water to drain away.

Fertilizing

Strawberries are hungry plants. Use a balanced, water-soluble organic fertilizer to keep them healthy and productive. Apply it every 2-4 weeks during the growing season, following the package instructions. Be cautious not to over-fertilize, as this can lead to excessive foliage growth at the expense of fruit production.

I create my own organic fertilizer by using well-rotted chicken manure and water. If you have access to animal manure, leave it for 4-6 months to kill the pathogens and dilute it with water before using the solution on your plants.

Pest Management

Watch for any signs of pests or diseases when you grow strawberries indoors. Common indoor strawberry pests include spider mites, aphids, and whiteflies. If you spot any issues, treat them promptly with organic or chemical solutions as needed. Neem oil or insecticidal soap can be effective against many common pests.

Support and Training

As your strawberry plants grow and produce fruit, they may need a little support. Use stakes, trellises, or strings to keep the fruit-bearing branches from touching the soil. This helps prevent rot and keeps the berries clean and accessible for harvesting.

two strawberries growing green background

Pruning

To maintain a healthy and productive strawberry plant, periodically remove yellowing or dead leaves. Pinch off runners (long, thin stems that extend from the plant) to encourage the plant to focus its energy on fruit production rather than vegetative growth.

How Long Do Strawberries Take to Grow Indoors?

It’s important to understand that growing strawberries indoors is not an instant gratification endeavor. It takes time and patience. 

Here’s a glimpse into the typical timeline for indoor strawberry growth and the factors influencing how long it takes to enjoy your homegrown berries.

repotting strawberries in cardboard box

Planting to First Harvest

  • Weeks 1-4: After planting your strawberry plants, you’ll likely see the first green shoots emerging within the first few weeks. These are the young leaves of your plants, and they’ll begin to grow and spread.
  • Weeks 4-8: As the strawberry plants grow, they produce delicate white strawberry flowers. These blossoms are the precursors to your strawberries.
  • Weeks 8-12: With proper care and the right growing conditions, you can expect the first tiny green strawberries to appear within two to three months after planting.

Time to Ripe Fruit

  • Weeks 12-16: After the initial appearance of green strawberries, it typically takes an additional 4-6 weeks for them to ripen into the juicy, red delights you’ve been waiting for.

Factors Affecting Growth Rate

Several factors can influence how long it takes for your indoor strawberries to grow and ripen:

  • Variety: The strawberry variety you’ve chosen plays a significant role. Some types bear fruit more quickly than others. For example, everbearing varieties like the alpine strawberry may yield multiple harvests throughout the year, while June-bearing varieties tend to produce a single, larger crop in early summer.
  • Light: Adequate light is crucial for photosynthesis and fruit production. Insufficient light can slow down growth. If natural sunlight is limited, supplement it with grow lights to ensure your plants receive the light they need.
  • Temperature: Indoor strawberries thrive in temperatures between 60°F to 80°F (15°C to 27°C). Cooler temperatures can slow growth, while excessively high temperatures can stress the plants.
  • Nutrition and care: Proper fertilization, watering, and pest management affect how efficiently your strawberry plants grow. Providing optimal care can help speed up the process.
  • Plant age: Young strawberry plants may take longer to produce fruit than established ones. Patience is vital during the early stages of growth.

How Do I Harvest Indoor Strawberries? 

There’s an undeniable joy in watching those green strawberries transform into plump, juicy delights right in your indoor garden. The moment when you finally get to pick and enjoy your homegrown strawberries is a highlight of indoor gardening.

Here’s how to know when they’re ready and how to harvest them for maximum flavor.

Signs of a Ripe Strawberry

  • Color: Ripe strawberries turn a vibrant, glossy red. Look for a deep, uniform color across the entire berry. Avoid picking strawberries that are still green or have white tips.
  • Texture: Gently touch the strawberries. They should feel firm yet yield slightly to pressure. Overripe strawberries may be soft and mushy.
  • Smell: Ripe strawberries emit a sweet, fragrant aroma. They’re likely ready for picking if you catch a whiff of that irresistible strawberry scent.

Proper Harvesting Techniques

  • Use scissors or pruners: To avoid damaging the delicate fruit and plants, use clean scissors or pruners to snip the stem about a quarter-inch above the berry. Avoid pulling the berries off, as this can damage the plant.
  • Hold the berry: As you snip the stem, cup your hand under the strawberry to support it. This helps prevent bruising or dropping the berry.
  • Harvest gently: Be gentle when handling the strawberries to prevent bruising, which can lead to a shorter shelf life.
  • Check daily: Harvest ripe strawberries regularly, ideally every 2-3 days during peak fruiting. Leaving overripe strawberries on the plant can attract pests.

strawberries growing out of sack with soil

What Common Problems Can Occur When Growing Strawberries Indoors?

Growing strawberries indoors is rewarding but comes with its share of challenges. 

Here are some potential issues you might encounter and practical solutions to troubleshoot common problems:

Pest Infestations

Indoor strawberry plants can still fall victim to pests like aphids, spider mites, or whiteflies. Regularly inspect your plants for signs of pests.

Use natural remedies like neem oil or insecticidal soap to control infestations.

Isolate-affected plants to prevent the spread of pests to others.

Fungal Diseases

Strawberries are susceptible to fungal diseases such as powdery mildew and gray mold, especially in humid indoor environments. Ensure good air circulation around your plants. Water the soil, not the foliage, to prevent moisture buildup. Apply fungicides sparingly and as a last resort.

Overwatering

Overwatering indoor strawberries is easy, which can lead to root rot and other issues. Allow the top inch of soil to dry out before watering. Ensure your container has proper drainage to prevent waterlogged soil. Use a drip tray to catch excess water and to avoid root rot.

Insufficient Light

Inadequate light can lead to leggy plants with poor fruit production. Position your strawberry container in a location that receives at least 6-8 hours of direct sunlight daily. Supplement natural light with a grow light if needed. Rotate the container regularly to ensure even light exposure.

Soil pH Imbalance

Indoor strawberry plants prefer slightly acidic soil (pH 5.8-6.2). An imbalanced pH can affect nutrient absorption. Test the potting soil pH periodically and adjust it using pH-adjusting products if necessary. Use a high-quality potting mix with the correct pH level when planting.

Poor Pollination

Strawberries require pollination to set fruit, and indoor environments may lack sufficient pollinators. Gently shake the flowers or use a soft brush to simulate pollination. Place a small fan nearby to encourage air movement and help with pollination.

Nutrient Deficiencies

Indoor strawberries may have nutrient deficiencies, impacting plant health and fruit production. Regularly feed your plants with a balanced, water-soluble fertilizer. Monitor the plants for signs of yellowing leaves, stunted growth, or poor fruiting, indicating specific nutrient deficiencies.

FAQ 

How much light do strawberries need?

Strawberries thrive in well-lit conditions. They typically require at least 6-8 hours of direct sunlight daily for optimal growth and fruit production. You can supplement the lighting requirements with LED grow lights in indoor environments with limited natural light.

Where do strawberries grow best in?

The best strawberry-growing regions have year-round warmth and moderate winters. They prefer temperatures with distinct seasons, including chilly winters and sweltering summers. However, if you take the proper precautions and use indoor gardening techniques, you can successfully grow strawberries indoors in virtually any location.

Can you grow strawberries with LED lights?

Strawberries can be grown indoors using LED grow lights, yes. LED delivers the precise spectrum of light that plants require for photosynthesis grow lights. Use LED lights and make sure your plants get 12–16 hours of sunlight per day, followed by 8–12 hours of night, to simulate natural sunshine while growing strawberries inside.

What temperature do indoor strawberries like?

The ideal temperature range for indoor strawberries is between 60°F and 80°F (15°C and 27°C). They favor a temperature range that is generally cool and stable. Avoid subjecting them to sharp temperature changes because it can stress the plants. For indoor strawberry production to be effective, proper temperature management is necessary.

Strawberry Cultivation Indoors: Let’s Savor the Fruits of Our Labor!

With knowledge, care, and a sprinkle of patience, you can transform your home into a haven for these sweet, bright red delights.

Indoor strawberry gardening is an invitation to savor the simple pleasures of life. Imagine plucking ripe, sun-kissed strawberries from your indoor garden, regardless of the weather outside. The sweet rewards are well worth the effort.

So, why not embark on your indoor strawberry plant journey? You’ll enjoy the freshest, most flavorful strawberries but also experience the joy of nurturing life and witnessing it thrive in the heart of your home.

Fancy Bringing the Outdoors In?

Our Houseplant Hub is your passport to the lush, green world of indoor gardening. Discover how to nurture your leafy buddies to superstar status with our houseplant guides. There are deets on identifying rare plants to the best growing gear in town; you’ll find them all on our care pages

You got a growing story to share? We’d love to hear from you; keep us posted on your successes and challenges, and we can chat about all things green together!

Photo of author
Alex Tinsman
An avid plant and flower lover! Ever since he was little, plants, flowers, and shrubbery of all kinds filled his life. Alex credits this fascination with nature's beauty to his mother and grandmother who were - and still are - dedicated gardeners. It's now Alex's mission to pass that same love for plants onto others and show them it's as easy as pie to bring nature inside.

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