- Open-pollinated
- Grape
- 75 (estimated) days to maturity (from transplant)
- Indeterminate
- Striped
Atomic Grape
Brad's Atomic Grape
Open-pollinated grape from USA. Elongated grape striped in lavender, green and olive, all shifting as it ripens. Ready in about 75 days from transplant.
Single source · Updated Sep 9, 2026 · Values marked like this (estimated) are estimates.
At a glance
- Fruit type
- Grape 1–2 oz (30–50 g) · Oval (estimated)
- Leaf type
- Regular leaf
- Days to harvest
- 75 days (estimated) from transplant · Midseason
- Plant height
- 7–9 ft (210–270 cm) (estimated) Tall
- Spacing
- 24 × 35 in (60 × 90 cm) (estimated)
- Sunlight
- Full sun
- Position
- Handles open positions
- Growing sites
- Greenhouse · Polytunnel · Open ground
- Container growing
- Not suited to pots
- Difficulty
- Moderate (estimated) 3/5
- Skin
-
- Striped
- Interior
-
- Green
Plant size and habit
Tall · Indeterminate
7–9 ft (210–270 cm) (estimated) · Regular leaf
Atomic Grape is an indeterminate plant that keeps growing and setting fruit until frost; it needs a stake, cage, or trellis for the whole season. Expect a plant of 7–9 ft (210–270 cm).
Flavor
“Elongated grape striped in lavender, green and olive, all shifting as it ripens.”
Growing calendar
75 (estimated) days from transplant Midseason
Timing shown for temperate climates; sow indoors 6–8 (estimated) weeks before your last frost date. Look up your last frost date by ZIP code →
Disease resistance
No documented disease resistances — protect this variety with good airflow and crop rotation.
Uses & tags
- Fresh & salads
- Snacking
- Roasting
- Novelty color
- Gift worthy
- High flavor
- Award winner
Origin
Sold by its breeder as Brad's Atomic Grape, this variety is elongated and striped lavender and purple when immature, turning green and red/brown with anthocyanin-blue stripes when fully ripe; the interior is green with a red blush when extra ripe. It was bred by Brad Gates of Wild Boar Farms.
Sources
Where to buy seeds
Prices rechecked dailyAll photos
Questions
How do you grow a Atomic Grape plant?
A Atomic Grape plant grows 7–9 ft (210–270 cm) tall (estimated). Space plants 24 in (60 cm) apart in rows 35 in (90 cm) apart (estimated). Start seed indoors 6–8 weeks before your last frost (estimated); it germinates in 7–14 days (estimated). It needs full sun.
How long does Atomic Grape take to mature?
Atomic Grape is ready in about 75 days from transplant.
Does Atomic Grape need staking?
Atomic Grape is an indeterminate plant that keeps growing and setting fruit until frost; it needs a stake, cage, or trellis for the whole season. Expect a plant of 7–9 ft (210–270 cm).
Can Atomic Grape be grown in a container?
Atomic Grape is better suited to open ground or a greenhouse bed than a container.
Is Atomic Grape resistant to disease?
No disease resistance is documented for Atomic Grape.
