How to Grow Root Vegetables - Carrots and Beets
Wikimedia Commons
Root Vegetables - Carrots and Beets
Daucus carota subsp. sativus (Carrot), Beta vulgaris subsp. vulgaris (Beet)
vegetableRoot vegetables like carrots and beets are cool-season crops grown for their edible underground storage roots and nutritious above-ground foliage. These crops thrive in well-prepared soil and offer diverse root depths—carrots range from 3 inches (short varieties) to 12+ inches (long varieties), while beets typically develop 2-4 inch roots. Both are hardy, productive, and excellent for succession planting throughout the growing season.
When should you plant Root Vegetables - Carrots and Beets in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Root Vegetables - Carrots and Beets timeline · Pittsburgh, PA (Zone 6b)
-
Plant Root Vegetables - Carrots and Beets
Around Apr 17Near Pittsburgh's average last spring frost.
-
Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
-
Harvest Root Vegetables - Carrots and Beets
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Root Vegetables - Carrots and Beets dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrive in zones 2-9; best performance in zones 3-8 for spring and fall crops, zones 8-9 for winter crops
Sign up free to see if Root Vegetables - Carrots and Beets grows in your zone — and get a personalized planting timeline.
Get my Root Vegetables - Carrots and Beets timeline →Growth Stages
Germination & Seedling
7-21 days germination; 2-3 weeks to thinning stageTiny seedlings emerge with thread-like cotyledons. Roots begin developing downward; above-ground growth minimal.
Keep soil consistently moist but not waterlogged. Provide bright light to prevent leggy growth. Thin seedlings when 2 inches tall—this step is crucial for proper root development. Remove weeds gently to avoid disturbing young roots.
Vegetative Growth (Foliage Development)
3-4 weeks after thinningFeathery carrot tops or deeply lobed beet leaves develop above ground while roots expand downward. Plant reaches 4-8 inches tall.
Water consistently; maintain even soil moisture. Apply 1-2 inches of mulch to suppress weeds and regulate temperature. Avoid high nitrogen, which promotes hairy roots and forking. Monitor for leaf spot diseases and rust flies.
Root Expansion & Thickening
4-6 weeksRoots increase in diameter and lengthen into soil depending on variety. Foliage becomes denser and fuller. Roots begin accumulating sugars and nutrients.
Continue consistent watering—critical for root quality and preventing splitting/cracking. Reduce nitrogen-heavy feeding; apply balanced fertilizer if needed. Keep soil loose and free of obstacles for straight, unforked roots. Ensure adequate spacing to avoid crowding.
Root Maturation & Harvest-Ready
Harvest window: 2-4 weeks or longer depending on variety and succession plantingsRoots reach desired size (check by gently uncovering shoulder of root). Color deepens; roots firm and full of sugars. Foliage may show some yellowing or decline.
Begin harvesting when roots reach 0.5-0.75 inch diameter for beets, ½-¾ inch for carrots (or desired size). Loosen soil with fork before pulling to avoid breaking roots. Harvest before hard freeze in cold climates, or continue for storage crops.
Storage & Post-Harvest
3-6 months storage lifeRoots store well in cool conditions after greens are removed. Can overwinter in ground in mild climates or be stored in cool, humid conditions.
Remove greens (leave ½ inch stem), rinse gently, allow to dry. Store at 32-40°F with 90-95% humidity (refrigerator or root cellar). Avoid freezing; carrots/beets can overwinter in-ground in zones 6+ under heavy mulch.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
-
Row covers over young plants; remove covers after flowering of nearby plants. Rotate planting sites yearly. Intercrop with onions or herbs (strong odor deters flies).
-
Row covers; kaolin clay spray; neem oil; remove severely damaged seedlings to prevent spread. Encourage native predators.
-
Strong water spray to dislodge; insecticidal soap; neem oil; encourage ladybugs and lacewings with flowering companion plants.
-
Increase humidity; strong water spray; neem oil or miticide if severe. More common in hot, dry conditions.
-
Improve air circulation; avoid overhead watering; remove affected leaves; rotate crops. Apply sulfur or copper fungicide if severe.
-
Crop rotation; remove debris and weeds that harbor larvae. Trap crops (potatoes) can lure wireworms away.
Uses
Raw and cooked preparations
CulinaryCarrots and beets are versatile in salads, roasted, steamed, juiced, and baked. Both vegetables retain nutrients well through gentle cooking methods. [source]
Nutritional and health support
MedicinalCarrots are rich in beta-carotene and lutein for eye health; beets contain betalains with antioxidant and anti-inflammatory properties. Both support cardiovascular and digestive health. [source]
Natural dyes and food coloring
HouseholdBeet juice creates natural red/purple dyes for fabrics and food; carrot roots yield orange dyes. Both can be used in natural food coloring for baking. [source]
Greens for cooking and salads
CulinaryBeet greens and carrot tops are nutritious leafy vegetables high in vitamin K, calcium, and fiber. Tender young greens can be eaten raw in salads; mature leaves are best cooked. [source]
Carrot flowers for pollinators
WildlifeIf left to bolt, carrots produce delicate white or pale purple flowers that attract beneficial insects and pollinators, supporting garden ecosystem health. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Carrots: Harvest when shoulder is ½-¾ inch diameter (or larger for storage). For baby carrots, pick at 4-6 weeks. Beets: Best at 1.5-2.5 inches diameter; larger roots can be tough and woody. For greens, harvest outer leaves once plants are 4 inches tall. In mild climates (zones 7-9), leave roots in ground under heavy mulch for winter harvest. Pull gently after loosening soil with a fork to avoid breaking roots. Time spring/summer harvest in early morning for best quality.
Fun Facts
- 🌱 Carrots were originally purple or white, not orange—the orange variety was developed in the Netherlands in the 1600s and became dominant in European markets.
- 🌱 Beet roots and greens come from the same plant and are both entirely edible; beet greens contain more nutrients per ounce than the root itself.
- 🌱 Root depth variation is dramatic: short carrot varieties (Nantes, Chantenay) develop 4-6 inch roots ideal for shallow soil and containers, while long varieties (Imperator, Danvers) require 8-12 inches of loose soil and store longer.
Gardening Terms
New to gardening? Learn about terms used in this guide:
Join 30,000 gardeners planning their gardens with LizPlants.
Get your personalized Root Vegetables - Carrots and Beets planting timeline
Tell us your zip code and we'll calculate exactly when to start Root Vegetables - Carrots and Beets seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.
Get my Root Vegetables - Carrots and Beets timeline →