Giant Oxheart
Single source · Reviewed Sep 13, 2026
Values marked like this (estimated) are model estimates, not confirmed from a source.
Heirloom oxheart from USA. Among the largest heart-shaped varieties, with dense flesh and a sparse set. Ready in about 88 days from transplant.
- Heirloom
- 88 (estimated) days to maturity (from transplant)
- Indeterminate
- Large fruit
- Difficult (estimated)
At a glance
- Fruit type
- Oxheart 16–32 oz (450–900 g) · Heart-shaped (estimated)
- Leaf type
- Regular leaf
- Plant height
- 6–8 ft (180–240 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
- Skin
-
- Pink
- Interior
-
- Pink
Plant size and habit
Tall · Indeterminate
6–8 ft (180–240 cm) (estimated) · Regular leaf
Giant Oxheart 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 6–8 ft (180–240 cm).
Flavor
“Among the largest heart-shaped varieties, with dense flesh and a sparse set.”
Growing calendar
- Sow indoors
- Transplant out
- Harvest
Timing shown for temperate climates; sow indoors 6–8 weeks before your last frost date.
Disease resistance
No documented disease resistances — protect this variety with good airflow and crop rotation.
Uses & tags
- Slicing
- Sauce & paste
- Heirloom classic
- Gift worthy
- Rare collector
Origin
Giant Oxheart is among the largest heart-shaped varieties, with very dense flesh and a correspondingly sparse fruit set.
Sources
Where to buy seeds
We're adding trusted seed sources for this variety.
All photos
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Giant Oxheart tomatoes ripening on the vine under cover -
A truss of Giant Oxheart tomatoes -
Giant Oxheart tomato plant in a garden bed with ripe fruit on the vine -
A ripe Giant Oxheart tomato held in a gardener's hand -
Freshly picked Giant Oxheart tomatoes -
Giant Oxheart tomato sliced in the kitchen
Questions
How long does Giant Oxheart take to mature?
Giant Oxheart is ready in about 88 days from transplant.
Does Giant Oxheart need staking?
Giant Oxheart 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 6–8 ft (180–240 cm).
Can Giant Oxheart be grown in a container?
Giant Oxheart is better suited to open ground or a greenhouse bed than a container.
Is Giant Oxheart resistant to disease?
No disease resistance is documented for Giant Oxheart.
See also
Other oxheart varieties people put next to this one.
Grows like this one
Indeterminate, late, full sun. Same support, same calendar.
