When to Plant Beets in New Mexico (2026 Guide)

Beets are a fantastic addition to any garden in New Mexico, providing not just flavorful roots but also nutritious greens. They thrive in cooler temperatures and can be sown directly into the ground as early as mid-spring. In cities like Albuquerque, the median last frost date is May 2, making early May an ideal time for gardeners to start seeding beets for a bountiful summer harvest.

With a remarkable frost-free growing season, beets can also be planted for a fall harvest. For instance, in Las Cruces, the median first fall frost occurs around October 20. This longer growing season permits multiple beet plantings throughout the year, particularly benefiting from the cooler temperatures of late summer and early fall, which enhance their sweetness.

To achieve the best results when growing beets in New Mexico, consider the hardiness zone you are in and plan your planting accordingly. Be careful not to sow them too early or too late as the risks of frost and high temperatures could damage their growth. Adequate moisture and proper spacing are crucial factors in growing beets successfully.

Planting Schedule by USDA Zone in New Mexico

Zone	Indoor start	Transplant out	Direct sow	Harvest
Zone 5b	Not recommended — direct sow only.	Not recommended — direct sow only.	Start April 15 – May 2, ~2 weeks after the last frost.	Harvest late July – October 17, when roots reach 1.5–2.5 inches in diameter.
Zone 6a	Not recommended — direct sow only.	Not recommended — direct sow only.	Start April 1 – April 21, ~2 weeks after the last frost.	Harvest late July – October 20, when roots reach 1.5–2.5 inches in diameter.
Zone 6b	Not recommended — direct sow only.	Not recommended — direct sow only.	Start March 15 – April 13, ~2 weeks after the last frost.	Harvest late July – October 30, when roots reach 1.5–2.5 inches in diameter.

Beets Planting Windows in New Mexico

Indoor start: Indoor starting is not recommended for beets; instead, direct sow them outdoors.
Transplant outdoors: Transplanting is not recommended; beets should be direct sown outdoors starting from mid-April.
Harvest: You can begin harvesting beets as early as late July and continue until October 30.

Common Mistakes Growing Beets in New Mexico

One common mistake in New Mexico is planting beets too early in the spring before the frost dates have passed. This can lead to poor germination as seeds won't sprout in cold soil. Always check local frost dates to ensure successful sowing.
Many gardeners in New Mexico forget to thin beet seedlings once they have sprouted. This can result in overcrowding, stunted growth, and smaller roots. Remember to thin your beets to ensure they have enough space to grow properly.
Planting beets in heavy, compacted clay soil is a mistake often made by novice gardeners in New Mexico. Beets require loose soil to form properly; amend your soil with organic material to promote better growth and root development.
Another mistake is neglecting consistent moisture during the critical growing periods. New Mexico's dry climate can lead to stress and tougher beets. It's essential to maintain steady moisture to ensure flavorful and smooth beet roots.
Some New Mexico gardeners mistakenly believe that beet greens should be discarded after harvesting the roots. In reality, the greens are delicious and nutritious. You can harvest them continuously as the roots develop, adding added value to your garden produce.

Frequently Asked Questions

What if I'm in a cold pocket of New Mexico?

If you find yourself in a colder area, adjust your planting schedule to accommodate the delayed spring temperatures. It’s crucial to wait until after the last frost date, especially in the colder zones of New Mexico.

Can I still plant beets in May?

Yes, you can plant beets in May, especially if you're in a warmer zone like 6b. However, ensure that you sow right after the last frost date to give them the best start possible.

How deep should I plant beet seeds?

Beet seeds should be planted about 1 inch deep. If the soil is heavy or dense, consider making a slight trench so the seeds can easily germinate and access moisture.

How do I know when beets are ready for harvest?

Beets are ready to be harvested when they reach between 1.5 and 2.5 inches in diameter. Harvesting at this size ensures the best flavor and texture, generally after late July.

Can I grow beets in containers?

Absolutely! Growing beets in containers is a great option, especially for those in New Mexico with limited garden space. Ensure the container is deep enough to accommodate their growth, at least 12 inches deep.

Keep Learning

Typical fall sowing window for Beets in New Mexico: July 26 – August 16.