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Carbon Heirloom Tomato Seeds
Heirloom ★ Best Seller Non-GMO

Carbon Heirloom Tomato

$4.50 Packet - 30 Seeds
Mix ’n Match: buy 20+ eligible packets and pay just $3.75 each

Only Packet sizes count toward the offer. PakPlus, ProPak, and Mega ProPak sizes are excluded.

Packet Size
Flat $7.99 shipping Germination guaranteed Non-GMO
Not sure when to plant in your area? Planting dates depend on your local frost dates and growing zone.
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Quick Facts
Days to Maturity80 days
SunlightFull Sun
Spacing24 - 36 Inches
Germination5–10 days
Growing Information

Growing Carbon Heirloom Tomato

‘Carbon’ is an heirloom tomato prized for its exceptionally dark coloring and rich, complex flavor. Large fruits develop dark purplish-brown exteriors with deep brick-red interiors and offer an intricate sweetness that has earned recognition in taste tests.

Start ‘Carbon’ indoors for transplanting. Plant seeds about ¼ inch deep, space plants 24 to 36 inches apart, and grow in full sun. This heat-tolerant variety performs especially well during warm weather.

Ready to harvest in about 80 days, pick fruits once they reach full size and develop their mature dark coloring.

Rich, sweet, and complex, ‘Carbon’ is excellent for fresh eating, slicing, salads, and sandwiches.

  • Days to Maturity: 80
  • Sow Method: Start Indoors
  • Sow Depth: ¼ Inch
  • Spacing: 24 - 36 Inches
  • Sun: Full Sun
  • Height: 5 - 7 Feet
  • Fruit Size: 10 - 14 Ounces
  • Indeterminate
Catalog Page: 20
How to start

Start Indoors

Sowing depth

¼ Inch

Plant height

5 - 7 Feet

Botanical name

Solanum lycopersicum

Questions

FAQ

How should I start these seeds?
Recommended sow method: Start Indoors.
How deep should I sow the seeds?
Sow at a depth of ¼ Inch.
How long until they germinate?
Typical germination: 5–10 days.
How far apart should I space them?
Recommended spacing: 24 - 36 Inches.
How much sun do they need?
Recommended sun exposure: Full Sun.
What’s your germination guarantee?
We stand behind the germination quality of our seed. If you have a germination issue, contact our team and we'll help make it right.
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What Gardeners Are Saying

Customer Reviews

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R
Richard White
Growing well so far

This is the first year growing Carbon tomatoes. I started the seeds three weeks ago on a heated growing mat. I had nearly 100 percent germination. They are growing well so far and have their first set of leaves. Can't wait to taste them. I have grown it's offspring Cherokee Carbon for a few years now. It is the best tasting tomato we have ever grown. Curiosity caused me to try it's parent Carbon just to see the similarities. Tick tock tick tock, won't know that answer until July or August.