Ace 55 Heirloom Tomato Seeds — 100 Fresh Seeds | Large Beefsteak, Low-Acid | Grown in USA | Marde Ross

Overview

Ace 55 heirloom tomato seeds offer large beefsteak fruits with a mellow, balanced flavor and a smooth red skin. Grown in the USA by Marde Ross and Company, this pack centers on reliable start and homegrown abundance, backed by decades of seed experience and careful seed storage.

What to expect from the fruit

Expect 5 to 6 inch fruits that typically weigh 6 to 9 ounces. These tomatoes are ideal for slicing on sandwiches, fresh eating, and canning projects, with a mild profile that complements a variety of dishes and preserves.

• Large beefsteak tomatoes with generous slices
• Low-acid, balanced flavor for versatile use
• Determinant growth habit for a contained harvest

Germination and starting tips

Seed storage is kept in temperature controlled conditions to help preserve freshness and support reliable germination. Start indoors 6–8 weeks before warm weather or transplant outdoors once nights stay warm.

• Sow indoors at 1/4 inch depth; outdoors about 1/2 inch deep
• Provide full sun and well-drained soil for best establishment

Growing in your outdoor space

These plants reach about 3 feet tall, making them suitable for raised beds, containers, and tighter garden plots. The robust root system helps with soil structure, while the vines offer a pleasant ground cover and visual appeal during the season.

With 75–80 days to maturity, Ace 55 supports a steady harvest window, giving you opportunities for multiple picking rounds as the season progresses.

Why choose this seed line

From a trusted California nursery since 1985, Marde Ross and Company provides premium untreated Ace 55 seeds designed for outdoor planting and reliable home garden yields.

Harvest and uses

Fruits are well suited for fresh eating, sandwiches, and salsa, and they can be preserved through canning or freezing to extend your garden harvest into later months.