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Purple Carrot

Root
70 days to harvest
Full sun

Also known as: Daucus carota ssp. sativus 'Purple'

What's special about Purple Carrot

Deep purple skin and core, sweet and earthy.

Growing this variety

Purple Carrot follows the same growing basics as Carrot. Variety-specific maturity above; everything else below applies to the whole Carrot family.

Season
Cool season — spring and fall
USDA zones
Annual in zones 3–10
Sun
Full sun
Start indoors
Never — taproot cannot be transplanted
Direct sow outdoors
2–3 weeks before last frost; again 10 weeks before first fall frost
Days to harvest
70 days

Germination

Germination time
14–21 days
Soil temperature
55–75°F (13–24°C)

Spacing & depth

Sow depth
1/4" (6 mm)
Seed spacing
Broadcast; thin to 2–3 in (5–8 cm)
Mature plant spacing
2–3 in (5–8 cm)
Row spacing
12 in (30 cm)

How to plant

Loosen soil 12" deep — any obstruction forks the root. Mix seed with sand and broadcast, then cover 1/4" with fine compost. Keep the surface moist for 3 weeks until germination.

Grower's tip

Thin ruthlessly at 2" tall — crowded roots stay pencil-thin.

Soil preferences

Soil type

Deep, loose, stone-free sandy loam — the deeper the better.

pH range

6.0–6.8

Amendments

Skip manure and heavy nitrogen — they cause forked and hairy roots. A light compost is plenty.

Watering

Frequency

Steady moisture — 1 in per week. Uneven watering causes cracking.

Method

Deep soaking; avoid shallow daily watering that keeps roots near the surface.

Over vs. under

Overwatered: cracked or rotted roots, foliage disease. Underwatered: woody, hot-flavored, or bitter roots.

Top-water or bottom-water?

Prefers top-watering — Top-water deeply at the soil surface so the whole root zone stays evenly damp — bottom-watering isn't practical in the ground.

Temperature tolerance

Ideal daytime air temp

60–75°F (15–24°C)

Ideal nighttime air temp

45–65°F (7–18°C)

Frost sensitivity

Carrots, parsnips, beets sweeten after frost. Storage roots can often overwinter in the ground under heavy mulch.

Container growing

Container-suitable?

Possible with the right cultivar

Recommended pot size

12+ in deep for full-size carrots and parsnips; 8 in deep is fine for radish and short carrots

Notes

Pick short or round cultivars (Parisian carrots, Chioggia beets) for shallow containers.

Succession planting

Every 3 weeks spring through midsummer for continuous harvest into fall.

Detailed harvesting

Loosen soil with a fork before pulling to prevent snapped tops. Twist off greens 1 in above the crown for storage; leave 1 in of stem on beets to prevent bleeding.

Post-harvest storage & preservation

Trim tops; store unwashed in damp sand or perforated bags in the fridge or root cellar at 32–40°F. Most root crops keep 3–6 months.

Culinary, medicinal & other uses

Fresh, roasted, fermented (kraut, kimchi), pickled. Tops of beets, radishes, and turnips are edible greens.

Medicinal or traditional uses are shared for interest only — this is not medical advice. Consult a qualified professional before using any plant medicinally.

Seed saving

Pollination

Biennial and insect-pollinated. Root crops cross widely (carrots cross with Queen Anne's Lace).

Isolation needs

1/2 mile in the open or use cage with introduced pollinators.

How to save

Overwinter the best roots; replant in spring; collect the dry umbels/seed stalks in year 2.

Your zone's planting calendar

Pick your USDA hardiness zone and we'll estimate the key dates for carrot in your area. These are regional averages — always check your own last-frost forecast before sowing.

My Purple Carrot Carrot notes

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Purple Carrot Carrot seeds on hand

Track packets and loose seeds you already have. Private to your account.

Par level — leave at 0 for no alert. Anything below par shows on Seed Starting and your shopping list.

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From your kitchen — grow carrot from what you already have

Carrots are biennials — a store carrot is a first-year root. Replant it and it will bolt to flower in year 2 and set seed.

  1. 1In spring, plant a whole carrot (or the top 2 in with any green attached) root-side-down, top just at soil level.
  2. 2It will leaf out, then send up a 3-ft umbel of white flowers.
  3. 3When flower heads dry to brown and start to curl inward, cut whole heads into a paper bag.
  4. 4Rub off the small hairy seeds. Store dry; sow next spring.

Storage: 3 years dry.

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