Heirloom
Oxheart
88 (estimated) days to maturity (from transplant)
Indeterminate
Pink

Giant Oxheart

Heirloom oxheart from USA. Heart-shaped heirloom with dense flesh and a sparse set. Ready in about 88 days from transplant.

Single source · Updated Oct 2, 2026 · Values marked like this (estimated) are estimates.

Show all 6 photos

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Giant Oxheart tomatoes ripening on the vine under cover

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A truss of Giant Oxheart tomatoes

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Giant Oxheart tomato plant in a garden bed with ripe fruit on the vine

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A ripe Giant Oxheart tomato held in a gardener's hand

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Freshly picked Giant Oxheart tomatoes

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Giant Oxheart tomato sliced in the kitchen

At a glance

Fruit type: Oxheart 8–18 oz (230–510 g) · Heart-shaped
Leaf type: Regular leaf
Days to harvest: 88 days (estimated) from transplant · Late
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
Difficulty: Difficult (estimated) 5/5
Skin: Pink
Interior: Pink

Plant size and habit

Micro dwarf Dwarf Determinate This one

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

Sweetness 4/5

Acidity 2/5

Intensity 3/5

Flesh density 5/5

“Heart-shaped heirloom with dense flesh and a sparse set.”

Growing calendar

88 (estimated) days from transplant Late

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

Slicing
Sauce & paste

Heirloom classic
Gift worthy
Rare collector

Origin

Estimated

Giant Oxheart is a heart-shaped variety with very dense flesh and a correspondingly sparse fruit set.

USA

Sources

Giant Oxheart, Tatiana's TOMATOBase (infobox: midseason, indet., regular/wispy leaf, pink/red, heart, medium, commercial heirloom, USA; history: probably Livingston 1925 per Craig LeHoullier, USDA PI 645197 donated 1964 by Reuter Seed Company, New Orleans; grower B.C KO T: 8-18 oz, large irregular fruit, some beefsteak-shaped) ↗

Where to buy seeds

We're adding trusted seed sources for this variety.

All photos

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 do you grow a Giant Oxheart plant?

A Giant Oxheart plant grows 6–8 ft (180–240 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 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.