A 1950s heirloom, 'Ace 55' has excellent, fresh tomato flavor and is a lower-acid tomato. An old favorite for canning, 5″–6″ diameter, 6–8 ounce fruits are just the right size to quarter and pack into jars. Yields are exceptional; as a determinate type, the majority of the fruits ripen over a 1 to 2 week period. In areas with a long growing season, sow in succession.
Botanical Name: Solanum lycopersicum
Days to Maturity: 80 days from transplanting
Hardiness: Frost-sensitive annual
Plant Dimensions: About 36″ tall, 18″ wide
Variety Information: 1950 heirloom, resistant to verticillium wilt and fusarium wilt (Race 1). 6–8 oz., red, globe-shaped tomato.
Type: Determinate, Slicer (Learn more)
Attributes: Disease Resistant, Low Acid
When to Sow Outside: For mild climates only: 1 to 2 weeks after your average last frost date, and when soil temperature is at least 60°F.
When to Start Inside: RECOMMENDED. 4 to 6 weeks before transplanting. Transplant when air temperature is 45°F or warmer, usually 1 to 2 weeks after your average last frost date. Ideal soil temperature for germination is 70°–90°F.
Days to Emerge: 5–10 days
Seed Depth: ¼”
Seed Spacing: A group of 3 seeds every 24″
Row Spacing: 36″
Thinning: When 2″ tall, thin to 1 every 24″
Harvesting: 'Ace 55' tomatoes are at the peak of sun-ripened deliciousness when red, and have a slight give when gently squeezed.
This packet yields approximately 24 plants when started inside. 30 seeds.