Sub Arctic Plenty

The Sub Arctic Plenty tomato is an ultra-early, open-pollinated cultivar of Solanum lycopersicum bred by Dr. Jack Walkof at the Beaverlodge Research Station in Alberta, Canada. Introduced in 1972, this stable red saladette variety develops on a compact determinate bush, making it well-suited for high-latitude growing environments with limited seasonal warmth.

Engineered specifically for short growing seasons, the cultivar is distinguished by its cold temperature fruit set, which allows blossoms to fertilize and develop under cool nighttime conditions that stall standard tomatoes. Sub Arctic Plenty produces heavy, concentrated yields of small, smooth globular red fruits early in the season.

Origin and Genetics

Sub Arctic Plenty was developed by Dr. Jack Walkof at Agriculture Canada’s Beaverlodge Research Station in Alberta, Canada. Released in 1972, it was bred as a cornerstone of the Beaverlodge ‘Sub-Arctic’ breeding series, an initiative focused on producing reliable, heavy-yielding tomato lines tailored for northern latitudes and short growing seasons. It remains a stable, open-pollinated cultivar.

Botanical Profile

The plant exhibits a compact bush habit with standard regular-leaf green foliage and small yellow blossoms. As a determinate saladette type, it bears clusters of small, globular fruits characterized by a smooth, unribbed exterior. The fruit transitions cleanly from green to uniform red at maturity, supported by an interior of solid red flesh.

Growth and Performance

Sub Arctic Plenty is celebrated for its high cold tolerance, specifically selected for its ability to initiate blossom set and mature fruit under low ambient temperatures. The cultivar exhibits high yield potential, producing dense flushes of early-ripening fruit on self-terminating vines before early autumn frosts occur in short-season regions.

Cultivation

Positioned for cool climate conditions, the cultivar requires full sun exposure to maximize early fruit maturation. Its compact growth habit makes it equally suited for direct field production or patio container cultivation where space or growing seasons are constrained.

Culinary Applications

Classified as a saladette tomato, Sub Arctic Plenty is primarily utilized for fresh eating and salads due to its manageable small fruit size. The concentrated harvest also makes the cultivar suitable for home preservation through canning.