If you’re planning your Maryland vegetable garden, knowing when to plant beets is key to a great harvest. For a successful crop, you need to understand the best planting times for this cool-season root vegetable.
Beets are wonderfully adaptable and can be grown in both spring and fall in our state. The trick is to work with Maryland’s climate, avoiding the intense heat of summer which can make beets tough and bitter. With the right timing, you can enjoy sweet, tender beets for months.
When to Plant Beets in Maryland – Best Planting Times for
Maryland’s planting zones range from 5b in the western mountains to 8a on the Eastern Shore. This means your specific location will fine-tune your schedule. However, the general principle for beets is simple: plant them during cool weather.
Spring Planting Schedule
For a spring harvest, the goal is to get seeds in the ground as soon as the soil can be worked. Beets can handle a light frost, which works to there advantage.
- Primary Planting Window: 2 to 4 weeks before your last average spring frost date.
- Western MD (Frost dates late April/early May): Aim for early to mid-April.
- Central MD/Piedmont (Frost dates mid-April): Plant from late March through early April.
- Eastern Shore/Southern MD (Frost dates early April): You can start as early as late March.
You can make successive plantings every 2-3 weeks until late spring to extend your harvest. Just stop planting about a month before daytime temperatures consistently hit 80°F.
Fall Planting Schedule
Fall is often the best time for growing beets in Maryland. The cooling temperatures create ideal conditions for sweet, crisp roots. Planting in late summer allows them to mature during the crisp autumn days.
- Primary Planting Window: 8 to 10 weeks before your first average fall frost date.
- Western MD (Frost dates early October): Plant in early to mid-August.
- Central MD/Piedmont (Frost dates mid-to-late October): Plant from mid-August through early September.
- Eastern Shore/Southern MD (Frost dates late Oct/early Nov): You can plant from late August into September.
Fall-planted beets often have less pest pressure and can be sweeter than spring-planted ones. You can even leave them in the ground under mulch for harvesting well into winter.
Soil Temperature: A Better Guide Than Just Dates
While calendar dates are helpful, soil temperature is a more reliable indicator. Beet seeds germinate best in soil between 50°F and 85°F. The optimal range is 55°F to 75°F.
Use a simple soil thermometer to check. If you don’t have one, a good rule of thumb is that when the soil is dry enough to crumble in your hand and feels cool but not icy, it’s probably ready.
How to Plant Your Beet Seeds for Success
Beets have a few unique needs at planting time. Following these steps will give you a strong start.
- Prepare the Soil: Choose a sunny spot (6+ hours of sun). Beets need loose, well-draining soil free of rocks and clumps to form nice round roots. Work the soil to a depth of at least 12 inches and mix in compost. Avoid fresh manure, as it can cause forked roots.
- Check Soil pH: Beets prefer a slightly alkaline to neutral pH, between 6.5 and 7.5. A simple test kit can confirm this. If your soil is too acidic, add garden lime according to package directions.
- Plant the Seeds: Plant seeds 1/2 inch deep. Space them about 1 inch apart in rows that are 12 to 18 inches apart. Each “seed” is actually a dried fruit cluster containing multiple seeds, so you will get several seedlings from one.
- Water Gently: Keep the seedbed consistently moist until seedlings emerge, which takes 5 to 14 days depending on temperature. A light layer of straw or grass clippings can help retain moisture.
Thinning is Non-Negotiable
This is the step many gardeners skip, but it’s crucial. Crowded beets will not form proper bulbs. When seedlings are 3-4 inches tall, thin them to stand 3-4 inches apart. You can eat the thinnings—the tiny leaves are delicious in salads!
Caring for Your Growing Beets
Once established, beets are relatively low-maintenance. Consistent care is the secret to tender roots.
- Watering: Provide 1 inch of water per week. Consistent moisture is vital, especially during root development. Irregular watering leads to cracked or woody beets.
- Fertilizing: If your soil is rich in compost, little extra fertilizer is needed. A mid-season side dressing of a balanced, low-nitrogen fertilizer can be beneficial if growth seems slow. To much nitrogen encourages leafy tops at the expense of the root.
- Weeding: Weed carefully by hand, as beets have shallow roots that can be easily disturbed. Mulching helps suppress weeds and maintain soil moisture.
Common Problems and Solutions in Maryland
Beets are trouble-free, but a few issues can pop up.
- Leaf Miners: You’ll see squiggly white trails on leaves. Remove affected leaves and use row covers in spring to prevent the adult flies from laying eggs.
- Flea Beetles: These tiny jumping beetles create shot-hole damage. Row covers and keeping the garden free of debris are the best defenses.
- Poor Root Development: If you get lots of greens but small bulbs, the soil may be too compacted, too nitrogen-rich, or the plants were too crowded. Ensure proper thinning and soil preparation next time.
Harvesting and Storing Your Bounty
You can start harvesting beet greens whenever they look tasty. For the roots, they are typically ready 50 to 70 days after planting, depending on the variety.
Harvest when roots are 1 to 3 inches in diameter for the best flavor. Loosen the soil with a garden fork and gently lift them out. Don’t forget to twist off the tops, leaving about an inch of stem to prevent “bleeding” during cooking. Store unwashed roots in a plastic bag in the refrigerator for several weeks. For long-term storage, they can be kept in a cool, humid place like a root cellar.
Recommended Beet Varieties for Maryland
Some excellent choices well-suited to our climate include:
- ‘Detroit Dark Red’: A reliable, classic variety with deep red roots and good storage qualities.
- ‘Golden’: A beautiful yellow beet that doesn’t “bleed” and has a sweeter, milder flavor.
- ‘Chioggia’: An Italian heirloom with stunning red and white concentric rings inside.
- ‘Cylindra’: Produces long, cylindrical roots that are perfect for slicing and can be planted closer together.
FAQ: Your Beet Planting Questions Answered
Can I plant beets in July in Maryland?
July is generally to hot for direct seeding beets, as high soil temperatures inhibit germination. It’s better to wait until late July or August for your fall crop planting.
How late can you plant beets in Maryland?
For a fall harvest, aim to get seeds in the ground by early September for most areas. You can push it a bit later with frost protection like row covers, as beets are semi-hardy.
Can I grow beets in containers?
Absolutely. Choose a pot at least 12 inches deep and wide. Use a quality potting mix and ensure excellent drainage. Container beets may need water more frequently.
Why are my beet seeds not sprouting?
Old seeds or incorrect soil temperature are common causes. Beet seeds lose viability after a few years. Also, if the soil crusts over after watering, the seedlings can’t break through. Keep the soil surface moist and lightly covered.
By following these guidelines for when to plant beets in Maryland, you’ll set yourself up for a rewarding harvest. With both a spring and fall planting window, you have two chances each year to enjoy these colorful, nutritious roots from your own garden.