Thumbelina

Family: Apiaceae Root Vegetable

Planting Schedule

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Sweet, carrot-bright flavor bursts from Thumbelina’s petite, round roots—tender and juicy with a fine-grained snap that feels almost candy-like when fresh.

At maturity (about 70 days), the uniform globes develop a warm orange glow and a smooth, crisp texture that shines in simple preparations, from quick roasting to vibrant salads and pickles. Grow Thumbelina for a garden-to-plate favorite that’s as charming to harvest as it is delicious to enjoy.

Light: Full SunMaturity: 70 DaysHabit: Taproot

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Thumbelina Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Protected Environment Only
Zone 2a	Direct Sow	May 25th	Aug 3rd – Aug 29th
Zone 2b	Direct Sow	May 15th	Jul 24th – Aug 25th
Zone 3a	Direct Sow	May 15th	Jul 24th – Sep 1st
Zone 3b	Direct Sow	May 19th	Jul 28th – Sep 21st
Zone 4a	Direct Sow	May 15th	Jul 24th – Sep 24th
Zone 4b	Direct Sow	May 13th	Jul 22nd – Sep 27th
Zone 5a	Direct Sow	May 8th	Jul 17th – Sep 30th
Zone 5b	Direct Sow	May 4th	Jul 13th – Oct 5th
Zone 6a	Direct Sow	May 1st	Jul 10th – Oct 10th
Zone 6b	Direct Sow	Apr 25th	Jul 4th – Oct 16th
Zone 7a	Direct Sow	Apr 20th	Jun 29th – Oct 20th
Zone 7b	Direct Sow	Apr 10th	Jun 19th – Oct 28th
Zone 8a	Direct Sow	Apr 1st	Jun 10th – Nov 5th
Zone 8b	Direct Sow	Mar 23rd	Jun 1st – Nov 12th
Zone 9a	Direct Sow	Mar 6th	May 15th – Nov 26th
Zone 9b	Direct Sow	Feb 9th	Apr 20th – Dec 9th
Zone 10a	—	Oct 1st	Dec 10th – Feb 28th
Zone 10b	—	Oct 1st	Dec 10th – Feb 28th
Zone 11a	—	Oct 1st	Dec 10th – Feb 28th
Zone 11b	—	Oct 1st	Dec 10th – Feb 28th
Zone 12a	—	Oct 1st	Dec 10th – Feb 28th
Zone 12b	—	Oct 1st	Dec 10th – Feb 28th
Zone 13a	—	Oct 1st	Dec 10th – Feb 28th
Zone 13b	—	Oct 1st	Dec 10th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	70
Sun Requirements	Full Sun
Growth Habit	Taproot
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	50
Min Night Temp (°F)	28
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Thumbelina’s petite round roots are built for speed: their fine-grained snap stays lively in salads, and their sweetness caramelizes quickly under heat without going dry. Treat them gently—cut thin, roast hot, or pickle right—so you keep that candy-like crunch.

Best Uses

shaved or coin-cut raw salads where they keep their crunch
quick high-heat roasting (hot pan or hot oven) to caramelize edges without drying
quick pickling for a crisp, sweet-tang snack
butter-glazed warm sides where their small size gets evenly coated

Flavor Profile

sweet, carrot-bright flavor bursts tender yet fine-grained snap juicy, lightly floral sweetness crisp, candy-like bite when fresh

Kitchen Pairings

fresh dill ginger lemon butter or brown butter honey feta

Frequently Asked Questions

What pest or disease problem commonly affects Daucus carota (carrots) like Thumbelina, and how do I manage it?

Carrot root fly can leave plants wilting and form dark, hollow tunnels in roots; check for eggs near the base and maggots under the soil. Use fine mesh row covers from sowing until the roots are established, and keep the bed weed-free to reduce attraction. If you see signs, remove and dispose of heavily damaged plants and avoid replanting carrots in the same spot for at least 3 years.

How often should I water Thumbelina carrots during the main growing phase, and what soil moisture level should I aim for?

During active root bulking (about weeks 4–10 after emergence), keep the top 1–2 in of soil consistently moist but not waterlogged. Water lightly and more frequently (often 1–2 times per week, depending on weather) and avoid letting the soil dry out completely between waterings. Uneven moisture encourages root cracking and misshapen roots, so a steady moisture routine matters most for a 70-day crop.

How can I tell when Thumbelina carrots are ready to harvest?

Start checking around day 60–70 by gently brushing soil away at the crown and looking for the variety’s expected shoulder size. Harvest when the roots are firm and have filled out, before they get woody—tug lightly; mature carrots come up with minimal resistance. For best flavor, harvest during cool weather and avoid leaving them in warm soil too long after they reach size.