Tendergreen Improved

Family: Fabaceae Legume

Tendergreen Improved greets you with a lush, velvety canopy and an abundance of tender, stringless pods that stay sweet and green well into the season.

Expect a crisp, succulent bite with a fine, leafy-fresh texture—ideal for quick sautéing, steaming, or tossing into vibrant mixed dishes, and also a favorite for freezing to preserve that just-picked flavor. A dependable bush bean for cool weather gardeners, it delivers steady harvests around 55 days for satisfying, repeatable yields.

Light: Full SunMaturity: 55 DaysHabit: Bush

Botanical illustration of Tendergreen Improved

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Apr 25th
Transplant / Sow Outdoors	Apr 25th
Harvest Begins	Jun 19th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	55
Sun Requirements	Full Sun
Growth Habit	Bush
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Tendergreen Improved is built for speed: the pods stay stringless and sweet, giving you a crisp bite that doesn’t collapse when it hits a hot pan for a minute or two. It freezes like a champ too—blanch fast, then pack tight—so you’re reheating bright, snap-forward beans instead of tired, starchy ones.

Best Uses

fast sauté with garlic and a splash of stock—cook just until glossy, not mushy
steam and dress while hot with lemon-butter or olive oil vinaigrette
toss into mixed green salads for a crisp, edible bite
freeze for later; blanch briefly to lock in color and sweetness

Flavor Profile

sweet, fresh green snap tender, succulent pods with a fine fibrous texture gentle bean flavor that stays clean instead of starchy holds its brightness under quick heat

Kitchen Pairings

lemon garlic olive oil butter parmesan chicken or vegetable stock

Frequently Asked Questions

How can I prevent and treat fungal leaf spots or rust on Phaseolus vulgaris (bush bean) like Tendergreen Improved?

Fungal leaf spots and rust are promoted by wet foliage, so water at the base and avoid overhead watering. At the first sign of spotting or orange/brown rust-like marks, remove badly infected leaves and improve airflow by spacing plants properly. If the problem continues, apply a labeled copper-based fungicide for edible beans according to the package directions and reapply as directed after new growth.

How often should I water Phaseolus vulgaris during the main growing phase (from flowering through pod set)?

Keep the soil consistently evenly moist through flowering and pod set—about 1 inch (2.5 cm) of water per week total, adjusted for rainfall and heat. Water deeply 1–2 times per week rather than frequent light sprinkles, and stop irrigation if the top inch of soil stays wet for more than a day. Drought stress during flowering can cause flower and pod drop, so don’t let the soil dry out completely.

When is Tendergreen Improved Phaseolus vulgaris ready to harvest?

Harvest when pods are young and tender, typically around 50–60 days, and before the seeds inside fully swell. The pods should snap easily and feel firm-tender rather than leathery, usually when they’re about pencil to finger thickness (commonly ~4–6 mm / 1/4–1/4 in; check the plant’s typical size and pick frequently). For best eating quality, pick every 1–2 days once pods start setting.