Topcrop Bean is a reliable, high-yielding bush bean that has earned its place in vegetable gardens across North America for over a generation. This open-pollinated heirloom produces abundant 6- to 7-inch pods of tender, stringless green beans ready to harvest in just 50 to 60 days. Growing to a compact 18 to 24 inches tall, it thrives in hardiness zones 3 through 9 and adapts equally well to garden beds, containers, and raised beds. The variety's exceptional disease resistance, coupled with its crisp texture and classic bean flavor, makes it both a practical choice for home canners and freezers and a treat for fresh eating straight from the pod.
4
Full Sun
Moderate
3-9
24in H x ?in W
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High
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Topcrop earned an AAS (All-America Selections) award for good reason: it consistently delivers heavy yields of straight, tender pods on compact plants that fit almost anywhere you have sun. The beans mature quickly (50 to 60 days), stay stringless even as they mature, and possess that rich, genuine bean flavor that modern breeding sometimes sacrifices. Its disease resistance package is genuinely impressive, shielding plants from Bacterial Blight, Bean Common Mosaic Virus, Powdery Mildew, and multiple R and RR strains.
Topcrop excels as a fresh eating bean, where its tender pods and stringless character shine when simply steamed or sautéed. Its reputation rests equally on its canning and freezing potential: the pods hold their texture and flavor through preservation better than many varieties, making it a staple for gardeners who process their harvests. It also performs well in containers on patios and balconies, bringing productive bean growing within reach of space-limited gardeners.
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Direct sow Topcrop beans outdoors once soil temperature reaches at least 60°F, ideally closer to 70°F for best germination rates. In zones 3 to 4, wait until the last spring frost has passed and soil has warmed thoroughly. Space seeds 4 inches apart, sowing at a depth of 1 inch. For continuous harvest throughout the season, make successive plantings every two to three weeks until 8 to 10 weeks before your first expected fall frost.
Begin picking pods when they reach 6 to 7 inches in length and are still bright green and firm to the touch, typically 50 to 60 days after sowing. At this stage, the pods snap cleanly when bent and contain tender, flavorful beans. Harvest every two to three days by gently snapping the pod away from the vine with a slight downward twist, or cut with pruners to avoid disturbing the plant. Regular harvesting encourages continued flowering and production throughout the season. Pick in the cool morning hours when pods are most crisp and succulent.
Topcrop's compact bush habit requires minimal pruning. Pinching back the main growing tip when plants reach 6 to 8 inches tall can encourage bushier, more productive growth, particularly useful in containers where space is limited. Remove any dead or diseased foliage promptly to maintain air circulation and reduce disease pressure.
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“Topcrop represents the kind of practical American vegetable breeding that emerged in the mid-20th century, developed to serve home gardeners and small-scale producers who needed reliability above all else. Its AAS award designation reflects both its superior performance in trials and its accessibility to ordinary gardeners without special knowledge or equipment. The variety has become an heirloom in its own right, passed through seed catalogs and family gardens for decades, valued for the consistency gardeners have come to expect from it.”