Topnotch Yellow Wax Bean

Topnotch Yellow seeds produce a yellow wax bush bean. Plants have a compact bush habit. Plants typically reach 13–18 in. Seeds generally emerge in 7–14 Days at 65–80 °F. The first representative harvest is generally reached in 50-59 Days from direct sowing.

About Topnotch Yellow

Topnotch Yellow is sold as a bush wax bean selection. The principal color is yellow, and the harvest form is Tender yellow or cream wax pods harvested before seed enlargement. Tender, mild, and gently sweet when the wax pods are harvested young. Best uses include tender wax pods, fresh cooking, freezing, tested pressure canning, and seed saving. Other seed records may list it as Bean.

• Scientific name:Phaseolus vulgaris L.
• Life cycle:Annual
• Planting season:Late Spring
• Growth habit:Bush
• Plant height:13–18 in
• Sunlight:Full sun
• Seed depth:1 in
• Germination:7–14 Days at 65–80 °F
• Spacing:4 in between plants; 24 in between rows
• Soil:Loamy; pH 6.0–6.5
• Water:Moderate
• Support:No-Support
• Reproductive type:Open-Pollinated (OP)
• Harvest form:Tender yellow or cream wax pods harvested before seed enlargement
• Maturity:50-59 Days

History and seedkeeping context

Topnotch Yellow is maintained here as a compact yellow wax bean. The surviving seed record does not establish whether this lot is identical to Improved Golden Wax or another yellow-podded selection sometimes linked to the Topnotch name. Rather than joining those names without proof, the crop is identified by the traits that can be maintained: short bush plants and tender yellow or cream pods harvested young. Future Topnotch Yellow grow-outs should keep the original supplier, packet wording, lot, year, location, isolation notes, representative plant count, and observed harvest traits together. That record can clarify the maintained line without making the name or family account stronger than the seed and documentation support.

Why this variety is distinct

Wax beans are snap beans selected for pale yellow pods, not dry beans with yellow seed. Pick before the interior beans enlarge, and harvest every few days for a tender crop. Keep photographs of pod shape and color from the next grow-out so the relationship between this lot and other Golden Wax or Topnotch listings can be evaluated.

Harvest and kitchen or field use

Harvest for eating while pods are tender and before the seed becomes prominent. The crop is described as Tender yellow or cream wax pods harvested before seed enlargement. Leave separately marked pods to mature fully when saving seed. Tender wax pods, fresh cooking, freezing, tested pressure canning, and seed saving. Tender, mild, and gently sweet when the wax pods are harvested young.

How to grow Topnotch Yellow

Direct sow 1 in deep during the late spring planting window. Keep the seed zone near 65–80 °F and evenly moist until emergence, normally 7–14 Days. Grow in full sun with loamy soil near pH 6.0–6.5. Space plants 4 in apart and rows 24 in apart. Keep the soil evenly moist through flowering and pod fill without leaving the root zone saturated. No trellis or staking is normally required, although low edging can keep heavily loaded plants off the soil. Plants typically reach 13–18 in.

Season care

• Wait for warm soil in the late spring planting window before sowing Topnotch Yellow; cold wet ground delays emergence and encourages rot.
• Water consistently through flowering and pod fill, then reduce irrigation as dry-seed crops approach final cure.
• No trellis or staking is normally required, although low edging can keep heavily loaded plants off the soil.
• Harvest for eating while pods are tender and before the seed becomes prominent. The crop is described as Tender yellow or cream wax pods harvested before seed enlargement. Leave separately marked pods to mature fully when saving seed.
• Use 50-59 Days as the planning range, while allowing for shifts caused by weather, soil temperature, and plant stress.

Maturity and harvest timing

50-59 Days from direct sowing to the first eating harvest under suitable conditions. Harvest for eating while pods are tender and before the seed becomes prominent. The crop is described as Tender yellow or cream wax pods harvested before seed enlargement. Leave separately marked pods to mature fully when saving seed.

Saving seed

The crop is largely self-pollinating, but occasional insect-carried crossing can occur among compatible varieties. Save from several healthy, true-to-type Topnotch Yellow plants rather than one exceptional individual. Mark seed plants before the eating harvest, remove clear off-types before they contribute pollen, and let seed reach full biological maturity. Shell only fully dry pods, discard moldy or insect-damaged seed, and dry the cleaned seed again before storage. Label the lot with crop, variety, source, year, location, plant count, isolation method, and selection traits. Keep the original packet and lot history with the saved seed so later grow-outs can be compared without relying only on memory or seed color.

Common problems

Watch Topnotch Yellow for bean beetles, aphids, leafhoppers, mites, pod-feeding insects, bacterial or fungal leaf spots, rust, mosaic symptoms, and root rots. Rotate away from legumes, avoid working wet foliage, water at the soil line, and remove badly diseased plants. Cold wet soil commonly causes poor emergence; excess nitrogen can create leafy growth with fewer pods. Save seed only from healthy representative plants.

Frequently asked questions