Amana Orange tomato plant with ripe fruit

How to Grow Amana Orange Tomato From Seed

By Maxim Kaufman — Founder & CEO, Organo Republic

Updated July 2026

Amana Orange is a famous heirloom known for its enormous, brilliant bright-orange beefsteak fruit, often a pound or more each. It is an indeterminate (vining) tomato that grows tall and keeps setting fruit all season, so it needs strong staking or caging to carry the heavy crop. The dense, meaty flesh has a sweet, rich, low-acid flavor that stands out among big heirloom tomatoes. Grow it for showstopping golden-orange slices with mild, honeyed taste.

Ready to grow your own? Shop Tomato Amana Orange Seeds from Organo Republic.

This is the quick guide to Amana Orange. For the full step-by-step on starting seeds, transplanting, feeding, and troubleshooting tomatoes, see our complete guide to growing tomatoes from seed.

Quick start

Start Amana Orange seeds indoors 6 to 8 weeks before your last frost, keeping them warm at 70 to 80F until they sprout. Transplant only after all danger of frost has passed and the soil is at least 60F, setting each plant deep so two-thirds of the stem is buried. Space plants 24 to 36 inches apart and give every vine a sturdy stake or tall cage, since this is a tall, all-season indeterminate. Expect the first huge, bright orange beefsteaks about 85 days after transplant.

Best tip

Amana Orange produces some of the largest fruit of any tomato, so support each heavy cluster and pick promptly once fully colored to keep branches from breaking. Even, deep watering is key with such big fruit to prevent cracking and blossom-end rot.

At a glance

Botanical nameSolanum lycopersicum

Plant typeWarm-season annual (indeterminate)

USDA zones3 to 12 (grown as an annual)

SunFull sun (6 to 8+ hours)

Days to maturity85 days from transplant

Height6 to 8+ feet (indeterminate)

Spacing24 to 36 inches apart

WaterDeep and even; 1 to 2 inches a week

Uses

Amana Orange is a sweet, low-acid slicer: thick golden-orange slices bring color and mild flavor to sandwiches, salads, and platters. Its size and sweetness also make a beautiful, richly colored fresh sauce or salsa.

Frequently asked questions

How long does Amana Orange tomato take to grow?

Amana Orange is ready to pick about 85 days after transplant. Start seeds indoors 6 to 8 weeks before your last frost, then set plants out once the soil is warm, and this large heirloom ripens through mid to late summer.

Is Amana Orange determinate or indeterminate?

Amana Orange is an indeterminate (vining) tomato that keeps growing and setting fruit all season until frost. Plants reach 6 to 8+ feet and carry very heavy fruit, so use a tall stake or strong cage and space plants 24 to 36 inches apart.

How big are Amana Orange tomatoes and what do they taste like?

Amana Orange produces huge, bright orange beefsteak fruit, often one to two pounds each, with dense, meaty flesh. The flavor is sweet, rich, and low in acid, one of the standout tastes among big heirloom tomatoes.

What is Amana Orange best used for?

Its thick golden-orange slices bring color and mild, sweet flavor to sandwiches, salads, and tomato platters. The size and sweetness also make a beautiful, richly colored fresh sauce or salsa.

Ready to grow your own Amana Orange? Start with a multi-variety tomato pack, then follow our complete guide to growing tomatoes from seed for every step from sowing to harvest.

Amana Orange Tomato Seeds – Non-GMO HeirloomHeirloom, non-GMOHeirloom Amana Orange — huge, low-acid orange beefsteaks with tropical-sweet flavor.

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Want more tomatoes? These value packs pair Amana Orange with other varieties:

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By Maxim Kaufman — Founder & CEO, Organo Republic

Maxim founded Organo Republic in 2017 and personally selects, tests, and grows the heirloom, non-GMO varieties the company offers. Under his leadership, Organo Republic was named Agri Business Review’s Top Non-GMO Seed Variety Solution 2026.