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How To Grow Beets Indoors: A Step-by-Step Guide to Fresh Harvests All Year Round

Published on
September 13, 2024
How To Grow Beets Indoors: A Step-by-Step Guide to Fresh Harvests All Year Round
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Why is bonsai training wire used, and when should I remove it?

Wiring is used to guide the branches into specific shapes and positions, allowing you to control how your tree grows. You can use aluminum or copper wire to gently bend and hold branches in place. Typically, wire should be left on the tree for a few months, depending on how fast your tree is growing. You’ll want to check regularly, though—if the wire starts to dig into the bark, it’s time to remove it before it damages the tree. Always be gentle when unwiring to avoid hurting the branches.

Why are bonsai pots so shallow?

Bonsai pots are shallow to restrict root growth and help control the size of the tree. This forces the tree to focus its energy on growing branches, leaves, and, eventually, creating that miniature look. Additionally, shallow pots aid in water drainage, which is crucial for bonsai health since waterlogged roots can easily lead to rot. Aesthetically, the small, shallow pots also highlight the beauty and shape of the bonsai itself, keeping the focus on the tree rather than the container.

How long does it take for a bonsai tree to fully grow?

Bonsai trees are all about patience. It can take anywhere from 5 to 10 years for a bonsai to be considered “mature,” and even then, they continue to grow and evolve throughout their lifespan. The slower the growth, the more intricate and beautiful the tree becomes. That said, if you’re looking for quicker results, starting with a pre-bonsai or young tree can speed up the process a bit!

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How To Grow Beets Indoors: A Step-by-Step Guide to Fresh Harvests All Year Round

beets indoors inside a container thriving

Growing beets indoors is not just a practical solution for extending your gardening season; it’s a gateway to enjoying fresh, home-grown produce all year round. Beets, known for their vibrant colors and earthy flavor, are a versatile and nutritious root vegetable that can be cultivated successfully inside your home with a bit of planning and the right conditions. Whether you're a seasoned gardener looking to add variety to your indoor garden or a novice eager to grow your own vegetables, this guide is designed to provide you with comprehensive insights into the indoor cultivation of beets.

When I first decided to try growing beets indoors, I was a bit skeptical. I had always imagined them as a vegetable that needed a lot of outdoor space and sunshine. However, a little experiment with a few containers and some carefully chosen beet seeds turned into one of my most rewarding gardening experiences. Watching those little seedlings push through the soil and eventually transform into plump, colorful beets was incredibly satisfying. The taste of a fresh beet, roasted or pickled, straight from my indoor garden, was a revelation. This personal success has inspired me to share my journey and tips for anyone interested in growing their own beets indoors.

In this article, we will explore every aspect of growing beets indoors, starting with selecting the best beet varieties suited for indoor gardening.

Plant Type: Root vegetable

Size: 12 to 18 inches tall

Soil Type: Well-draining, loamy soil

Soil pH: 6.0 to 7.5 (slightly acidic to neutral)

Bloom Time: Small flowers in the second year if allowed to mature

Hardiness Zones: USDA zones 2-11

Native Area: Mediterranean region

Toxicity Level: Non-toxic, but beet leaves contain oxalates that may be harmful in large quantities

Best Beet Varieties for Indoor Growing

detroit dark red beet Credit to: BriannaWalther
Credit to: BriannaWalther
Link: https://commons.wikimedia.org/wiki/File:Detroitdarkredbeets.png

Detroit Dark Red: This classic variety is known for its deep red roots and sweet flavor. It matures in about 60 days, making it a reliable choice for indoor gardening.

chiogga beet Credit to: mgstanton
Credit to: mgstanton
Link: https://www.flickr.com/photos/marirn/12165604296

Chioggia: Also known as "Candy Stripe," Chioggia beets are recognized for their striking red and white concentric rings. They offer a mild, sweet flavor and add visual interest to any dish.

golden beet Credit to: Suzie's Farm
Credit to: Suzie's Farm
Link: https://www.flickr.com/photos/65489485@N04/8065593974/

Golden: Golden beets have a vibrant yellow color and a milder taste than red varieties. They are less likely to stain than red beets, making them a popular choice for indoor growing.

early wonder beets outdoors

Early Wonder: This variety is prized for its rapid growth and tender, flavorful greens. Early Wonder beets are ready to harvest in as little as 50 days, making them ideal for indoor gardeners seeking a quick turnaround.

How to Plant Beets Indoors

How to plant beets indoors infographics from planting from seeds and planting from seedlings

Planting from Seeds

  • Choose the Right Container: Select a container that is at least 6 to 8 inches deep to accommodate the beet's root system. Ensure the container has drainage holes to prevent waterlogging, which can lead to root rot.
  • Prepare the Soil: Fill the container with a well-draining potting mix that is rich in organic matter. You can create your own mix by combining equal parts of garden soil, compost, and sand. Ensure the soil is loose and friable to encourage root development.
  • Sow the Seeds: Beet seeds should be sown directly into the container. Plant the seeds about 1/2 inch deep and 1 to 2 inches apart. If you’re using a larger container, you can plant multiple rows, maintaining the same spacing.
  • Watering: After sowing the seeds, water the soil gently to ensure even moisture without disturbing the seeds. Keep the soil consistently moist but not waterlogged. Beets require regular watering to develop healthy roots.
  • Thinning: Once the seedlings have sprouted and are about 2 inches tall, thin them out to ensure adequate space for root growth. Aim to leave 3 to 4 inches between each plant. The thinned seedlings can be used in salads as they are tender and flavorful.

Planting from Seedlings

  • Select Healthy Seedlings: If you prefer to start with seedlings, choose healthy, strong plants with vibrant leaves and no signs of disease. Seedlings should be around 2 to 4 inches tall before transplanting.
  • Transplanting: Carefully transplant the seedlings into your prepared container, spacing them 3 to 4 inches apart. Gently firm the soil around the roots to eliminate air pockets.
  • Watering: Water the seedlings immediately after transplanting to help them settle into their new environment. Maintain consistent moisture to support root establishment and growth.

Requirements for Growing Beets Indoors

Requirements for Growing Beets Indoors infographics soil, water, sunlight, temperature and humidity,

Here’s a detailed guide on the requirements for growing beets inside:

Soil

Beets thrive in loose, well-draining soil that is rich in organic matter and has a balanced nutrient profile. The ideal soil pH for beets is slightly acidic to neutral, ranging from 6.0 to 7.5. To prepare the soil, incorporate well-rotted compost or aged manure into the top 6-8 inches of soil. This not only enriches the soil with essential nutrients like nitrogen, phosphorus, and potassium but also improves its structure, making it more friable and easier for beet roots to penetrate. Adding organic matter also helps in retaining moisture while ensuring proper drainage, which is vital for healthy root development.

Water

Beets require consistent moisture to develop properly, especially during the early stages of growth. Water the plants regularly, aiming to keep the soil evenly moist but not soggy. The goal is to provide about 1 inch of water per week, either through rainfall or supplemental watering. It's essential to water at the base of the plants to avoid wetting the foliage, which can lead to fungal diseases. Use a soaker hose or drip irrigation system to deliver water directly to the soil, minimizing evaporation and ensuring deep root penetration. Be cautious of overwatering, as beets are prone to root rot if the soil becomes waterlogged.

Temperature and Humidity

Beets are cool-season crops that perform best in temperatures between 60-70°F (15-21°C). They can tolerate slightly lower temperatures, but growth will slow down if it gets too cold. High temperatures, particularly above 75°F (24°C), can cause the roots to become woody and reduce their sweetness. Indoor environments generally provide a stable temperature, but it's crucial to avoid placing beets near heat sources like radiators, ovens, or sunny windows during hot weather. These heat sources can dry out the soil quickly and expose the plants to excessive warmth, leading to stress. Beets prefer moderate humidity levels, so maintaining consistent moisture in the soil is key to preventing any humidity-related issues.

Sunlight and Location

Beets need plenty of sunlight to produce healthy roots, requiring at least 6 hours of direct sunlight daily. For indoor cultivation, place your container near a south-facing window where it can receive ample natural light. If natural light is insufficient, especially during the shorter days of winter, supplement with grow lights. Position the lights about 6 inches above the plants and leave them on for 12-14 hours a day to mimic the length of daylight required for optimal growth. Rotate the container every few days to ensure all sides of the plants receive equal light exposure, which promotes uniform growth and prevents the plants from becoming leggy or leaning towards the light source.

Maintenance Tips for Growing Beets Indoors

Maintenance Tips for Growing Beets Indoors: fertilizing, pruning, potting and repotting, overwintering, mulching

Indoor beets can thrive with the right care. Here are some maintenance tips to keep them healthy and productive:

Fertilizer

Beets thrive with consistent feeding, particularly when grown in containers where soil nutrients can deplete more rapidly. Opt for a balanced, water-soluble fertilizer with equal parts nitrogen, phosphorus, and potassium (e.g., 10-10-10) and apply it every 4 to 6 weeks. This ensures your beets receive a steady supply of essential nutrients. However, be cautious with nitrogen levels—excessive nitrogen can stimulate excessive leafy growth at the expense of root development. For best results, follow the manufacturer’s instructions for the correct application rate and method, and consider reducing nitrogen if you notice overly vigorous leaf growth with minimal root enlargement.

Pruning

Beet plants generally do not need extensive pruning, but you can trim the outer, older leaves to use in salads or other dishes. This not only provides fresh greens but also helps the plant focus its energy on root development. When pruning, ensure you leave enough foliage—ideally 4 to 6 leaves per plant—to maintain healthy growth and support root development. Be sure to use clean, sharp scissors or pruning shears to make clean cuts, which helps prevent the spread of disease.

Mulching

Apply a thin layer of organic mulch, such as straw, shredded leaves, or grass clippings, around the base of your beet plants. A 2- to 3-inch layer of mulch helps retain soil moisture by reducing evaporation, moderates soil temperature, and suppresses weed growth. Make sure the mulch does not come into direct contact with the stems of the plants to avoid moisture-related diseases. Replenish the mulch as needed throughout the growing season to maintain its effectiveness.

Potting and Repotting

Beet seedlings or young plants initially grow well in smaller containers, but as they develop, you may need to transfer them to larger pots to accommodate their growing roots. Choose a container that is at least 12 inches deep and wide, filled with fresh, well-draining potting soil. Gently loosen the root ball and transfer the plant to the new pot, ensuring that the crown of the plant is at the soil level. Handle the plants with care to avoid root damage, and water them thoroughly after repotting to help them adjust to their new environment.

Overwintering

If you wish to continue growing beets through the winter, place them in a location with ample light, such as a sunny windowsill or under grow lights. Beets can tolerate cooler indoor temperatures, ideally between 35°F and 50°F (1.7°C and 10°C), but avoid exposing them to drafts or sudden temperature fluctuations, which can stress the plants. Regularly check for adequate moisture and ensure that the plants receive sufficient light to maintain healthy growth. You may also consider using a cold frame or greenhouse if you want to extend the growing season further.

Common Pests and Diseases

Beets can be affected by several pests and diseases. Here's a rundown of some common ones:

Pests

plant pest Credit to: ObsidianSoul
Credit to: ObsidianSoul
Link: https://www.flickr.com/photos/obsidiansoul/5689483961

  • Aphids: These small, sap-sucking insects can weaken plants and transmit diseases. Regularly inspect your beets for signs of aphids, such as curled leaves or sticky residue. If detected, spray the plants with a mixture of water and mild soap to remove the aphids.
  • Flea Beetles: Flea beetles are small, black insects that chew small holes in the leaves, potentially stunting plant growth. Use floating row covers or apply neem oil to deter these pests.
  • Leaf Miners: Leaf miners burrow into the leaves, leaving behind winding trails that can reduce photosynthesis. Remove and destroy affected leaves to prevent the spread of these pests.

Diseases

plant disease Credit to: Dmitry Brant
Credit to: Dmitry Brant
Link: https://commons.wikimedia.org/wiki/User:Dmitry_Brant
  • Powdery Mildew: This fungal disease appears as a white, powdery coating on the leaves. To prevent powdery mildew, ensure good air circulation around your plants and avoid overhead watering. If the disease appears, remove affected leaves and treat the plants with a fungicide.
  • Downy Mildew: Downy mildew is characterized by yellowish spots on the upper surfaces of leaves and a fuzzy growth on the undersides. Prevent this disease by watering the soil directly rather than the foliage, and ensure your plants have adequate space for air circulation.
  • Root Rot: Root rot is caused by waterlogged soil and poor drainage. Symptoms include yellowing leaves and stunted growth. To prevent root rot, use well-draining soil and containers with drainage holes, and avoid overwatering.

Harvesting Beets

man harvesting beets in a greenhouse

Beets are typically ready for harvest 50 to 70 days after planting, depending on the variety. The roots should be about the size of a golf ball for the best flavor. To harvest, gently pull the beet from the soil, holding onto the base of the leaves. If you prefer, you can also harvest beet greens throughout the growing period by snipping off the outer leaves, taking care not to remove too many at once.

Storing Harvested Beets

Once harvested, beets can be stored in a cool, dark place for several weeks. If you plan to store beets for an extended period, remove the greens, leaving about an inch of stem attached to the root. Store the beets in a perforated plastic bag in the refrigerator, where they can last for up to three months. Beet greens can be stored separately in a damp paper towel and used within a few days.

Frequently Asked Questions and Answers

Q: Can I grow beets indoors year-round?

Yes, beets can be grown indoors year-round if they receive adequate light and consistent care. Use grow lights during shorter winter days to supplement natural sunlight.

Q: How long do beets take to grow indoors?

Beets typically take 50 to 70 days to mature indoors, depending on the variety and growing conditions.

Q: What is the best container size for growing beets indoors?

A container that is at least 6 to 8 inches deep is ideal for growing beets indoors. This provides enough space for the roots to develop fully.

Q: Can I eat beet greens?

Yes, beet greens are edible and highly nutritious. They can be used in salads, soups, and sautés, offering a slightly earthy flavor.

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