Green Zebra
Solanum lycopersicum
A delicious, tangy salad tomato, ripe just as the green fruit develops a yellow blush, accentuating the darker green stripes. The 3-4 oz. fruits are the ideal size for slicing into wedges for salads. Productive over a long season. Developed by Tom Wagner. Indeterminate.
Harvest
72d
Days to harvest
Sun
Full sun
Zones
10–11
USDA hardiness
Height
1-10 feet
Planting Timeline
Showing dates for Green Zebra in USDA Zone 7
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Green Zebra · Zones 10–11
Growing Details
Zone-by-Zone Planting Calendar
| Zone | Indoor Start | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 1 | May – May | July – August | — | September – August |
| Zone 2 | April – May | June – July | — | September – September |
| Zone 11 | January – January | January – February | — | April – June |
| Zone 12 | January – January | January – February | — | April – June |
| Zone 13 | January – January | January – February | — | April – June |
| Zone 3 | April – April | June – July | — | August – October |
| Zone 4 | March – April | June – June | — | August – October |
| Zone 5 | March – March | May – June | — | August – October |
| Zone 6 | March – March | May – June | — | July – September |
| Zone 7 | February – March | April – May | — | July – September |
| Zone 8 | February – February | April – May | — | June – August |
| Zone 9 | January – January | March – April | — | May – July |
| Zone 10 | January – January | February – March | — | May – July |
Complete Growing Guide
A delicious, tangy salad tomato, ripe just as the green fruit develops a yellow blush, accentuating the darker green stripes. The 3-4 oz. fruits are the ideal size for slicing into wedges for salads. Productive over a long season. Developed by Tom Wagner. Indeterminate. According to Johnny's Selected Seeds, Green Zebra is 72 days to maturity, annual, open pollinated, indeterminate growth habit. Notable features: Organic Seeds, Plants, and Supplies.
Light: Full sun (6 or more hours of direct sunlight a day). Soil: Clay, High Organic Matter, Loam (Silt), Sand. Soil pH: Acid (<6.0), Neutral (6.0-8.0). Drainage: Good Drainage, Moist. Height: 1 ft. 0 in. - 10 ft. 0 in. Spread: 1 ft. 0 in. - 4 ft. 0 in. Spacing: 3 feet-6 feet. Growth rate: Rapid. Maintenance: High. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.
Harvesting
Green Zebra reaches harvest at 72 days from sowing per Johnny's Selected Seeds. Expect 3-4 oz. at peak. As an annual, harvest continues until frost ends the season.
The fruits are smooth, shiny, glossy, and are classified as berries. The size, shape, and color will vary depending on the variety or cultivar. The color of the fruits may be red, yellow, orange, green, purple, or pink. The fruits may contain over 100 yellow to light brown seeds.
Color: Gold/Yellow, Green, Orange, Pink, Purple/Lavender, Red/Burgundy, Variegated. Type: Berry. Length: > 3 inches. Width: > 3 inches.
Garden value: Edible, Showy
Harvest time: Fall, Summer
Edibility: The fruits or berries of the tomato are edible. They may be eaten raw, cooked, dried, or processed. They are a rich source of Vitamin A, Vitamin C, folic acid, and antioxidants. Lycopene is an antioxidant that gives the tomato its rich red color. Many plants will drop fruit when ripe or the fruit will come off easily. Tomatoes will continue to ripen once picked. Store them at room temperature.
Storage & Preservation
Green Zebra tomatoes keep best at room temperature, ideally between 68–72°F with moderate humidity in a single layer on a breathable surface away from direct sunlight. Avoid refrigeration, which dulls their bright acidity and compromises texture. Fresh tomatoes will hold for 5–7 days at peak flavor. For preservation, freezing works well for later cooking applications—core and freeze whole, or quarter and freeze in containers. Canning is viable using tested hot-water bath recipes designed for tomatoes. Drying intensifies their citrus notes and works beautifully in this variety; slice thin and dry at low heat until leathery. Fermentation in brine makes an excellent condiment that maintains their characteristic tartness. Because Green Zebras are outstanding as fried green tomatoes, consider harvesting some at the mature-green stage for immediate use rather than waiting for full ripeness—this extends your harvest window considerably.
History & Origin
Green Zebra is an heirloom variety with documented breeding heritage. Green Zebra is open-pollinated, meaning seed saved from healthy plants will produce true-to-type offspring. Listed in the Johnny's Selected Seeds catalog.
Origin: Peru
Advantages
- +Unique striped appearance and tangy flavor make Green Zebra visually striking salad tomato.
- +Moderate difficulty and 72-day maturity suit most home gardeners reasonably well.
- +Indeterminate plants produce fruit prolifically over an extended growing season.
- +3-4 oz fruit size perfect for individual salad portions and slicing.
Considerations
- -Susceptible to both early and late blight, requiring vigilant disease management.
- -Tangy tartness not ideal for gardeners preferring sweeter, milder tomato varieties.
- -Indeterminate growth demands consistent staking, pruning, and season-long maintenance commitment.
Companion Plants
Basil is the default pairing here, and the pest-deterrence claims are genuinely mixed in the research — but basil and Green Zebra share nearly identical heat and water needs, so you're not sacrificing bed space for a theory that doesn't pan out. French marigold (Tagetes patula) has more going for it: the roots produce alpha-terthienyl, a compound with documented nematode-suppressing activity in the surrounding soil zone. Carrots and parsley stay shallow enough to fill gaps without competing for the root depth Green Zebra actually uses. Fennel is the one to pull before it goes in — it releases allelopathic compounds that stunt most vegetables nearby, and brassicas compete directly for the steady calcium supply that keeps Green Zebra from developing blossom end rot.
Plant Together
Basil
Repels aphids and whiteflies, may improve flavor
Marigolds
Deter nematodes and whiteflies with natural compounds
Carrots
Help break up soil for tomato roots, don't compete for nutrients
Parsley
Attracts beneficial insects like hoverflies that eat aphids
Chives
Repel aphids and may improve tomato growth and flavor
Nasturtiums
Act as trap crop for aphids and cucumber beetles
Oregano
Repels pests and may enhance tomato flavor through companion effect
Lettuce
Benefits from tomato shade and doesn't compete for deep nutrients
Keep Apart
Black Walnut
Releases juglone toxin that causes tomato wilt and stunted growth
Fennel
Inhibits growth of most garden plants through allelopathy
Corn
Both attract corn earworm, creating concentrated pest problems
Brassicas
Compete for similar nutrients and may stunt tomato growth
Nutrition Facts
Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #321360)
Pests & Disease Resistance
Resistance
Moderate disease resistance, better than most heirlooms. Some resistance to cracking.
Common Pests
Tomato hornworm, aphids, whiteflies, spider mites
Diseases
Early blight, late blight, fusarium wilt, bacterial speck
Troubleshooting Green Zebra
What you'll see, why it happens, and what to do about it.
Lower leaves developing dark brown bullseye-ringed spots, working upward from the soil line around day 40–60 after transplant
Likely Causes
- Early blight (Alternaria solani) — soil-borne fungus that splashes onto leaves during rain or overhead watering
- Crowded canopy blocking airflow, keeping foliage wet longer than it should be
What to Do
- 1.Strip affected leaves and trash them — don't compost
- 2.Mulch the bed with 3–4 inches of straw to stop soil splash
- 3.Rotate this bed out of all nightshades for at least 3 years; NC State Extension's IPM guidance notes the rotation period for some tomato diseases may run 5–7 years for persistent soil pathogens
Large patches of foliage turning gray-green and collapsing fast — sometimes overnight — with water-soaked lesions on fruit
Likely Causes
- Late blight (Phytophthora infestans) — especially likely in cool, wet weather below 75°F with high humidity
- Infected transplants or nearby potato plantings introducing the pathogen
What to Do
- 1.Remove and bag all affected plant material immediately — late blight spreads to neighboring plants within days
- 2.Do not compost any of it; bag and dispose in trash
- 3.Check surrounding potato beds — NC State Extension's PDIC monitors late blight timing and is worth consulting if you're seeing widespread collapse across multiple plants
Plant wilts during the day, partially recovers at night, then stops recovering entirely — no visible lesions on leaves, roots look brown and rotted
Likely Causes
- Fusarium wilt (Fusarium oxysporum f. sp. lycopersici) — vascular fungus that colonizes the stem; cut the main stem near the base and look for brown streaking inside
- Southern bacterial wilt (Ralstonia solanacearum) — similar wilting pattern, but stem interior shows bacterial ooze if you cut and submerge the cut end in water
What to Do
- 1.Dig up and destroy affected plants including as much root mass as possible, per NC State Extension's recommendation for soil-borne wilt pathogens
- 2.Don't replant tomatoes or other Solanaceae in that spot for at least 3 seasons; growing in containers with fresh potting mix is a practical workaround if the problem repeats — just make sure container soil never contacts the native bed soil
- 3.Green Zebra carries no documented resistance to either pathogen — grafting onto a resistant rootstock like 'Maxifort' is worth considering for beds with a history of wilt problems
Youngest leaves at the top of the plant turn bright yellow, sometimes cupping upward, while older foliage stays green
Likely Causes
- Glyphosate drift from a nearby herbicide application — NC State Extension flags tomato as very sensitive, with bright yellowing of the youngest leaves as a key diagnostic symptom
- Soil pH creeping above 6.8, which locks out iron and other micronutrients
- Cucumber mosaic virus (CMV), which can produce mosaic patterning and distortion on new growth
What to Do
- 1.Test soil pH with a meter — Green Zebra wants 6.0–6.8; if you're over that, work in elemental sulfur and recheck in 3–4 weeks
- 2.If drift is the likely cause, note when nearby spraying occurred and remove the most affected growth; the plant may partially recover once exposure stops
- 3.For suspected CMV, pull and trash the plant — aphids will move it to the rest of the bed fast, and there's no treatment once a plant is infected
Frequently Asked Questions
How do I know when Green Zebra tomatoes are ripe?▼
What does Green Zebra tomato taste like?▼
Can you grow Green Zebra tomatoes in containers?▼
How long does Green Zebra take to grow from seed?▼
Is Green Zebra good for beginner gardeners?▼
Green Zebra vs Cherokee Purple — what's the difference?▼
Growing Guides from Wind River Greens
Where to Buy Seeds
Sources & References
External authority sources used in compiling this guide.
- BreederJohnny's Selected Seeds
- USDAUSDA FoodData Central
See the Methodology page for how this data is sourced, what's AI-assisted, and known limitations.