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Green Grass Grove

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3G Botanical & Fungal Guide

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Bean / 1500 Year Old Cave Bean

Phaseolus vulgaris

Bean / 1500 Year Old Cave Bean is maintained at Green Grass Grove as vigorous heirloom pole bean. The record is anchored to Phaseolus vulgaris and is managed in warm-season trellised rows. North Florida heat, humidity, sandy soils, storm rainfall, and occasional freezes are addressed through crop-specific placement and protection. Scouting, photographs, accession notes, and survival records should be attached to the exact plant or…

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Botanical Overview

Bean / 1500 Year Old Cave Bean is maintained at Green Grass Grove as vigorous heirloom pole bean. The record is anchored to Phaseolus vulgaris and is managed in warm-season trellised rows. North Florida heat, humidity, sandy soils, storm rainfall, and occasional freezes are addressed through crop-specific placement and protection. Scouting, photographs, accession notes, and survival records should be attached to the exact plant or seed lot rather than generalized across the catalog. age legend is not verified archaeology; preserve accession by seed and phenotype.

Why We Feature This Specimen

Bean / 1500 Year Old Cave Bean gives Green Grass Grove a focused living record for warm-season trellised rows, with climate response, propagation, scouting, safety, and specimen history tracked together.

Climate & Protection

Preferred Growing RangeUSDA Zone 2 to 11
Cold Damage Threshold32 °F
Frost ToleranceFrost Tender. Cold Soil Delays Emergence And Freezing Temperatures Kill Foliage.

Cold protection trigger: Begin cold protection below 50 °F. The cold-damage threshold is the lower temperature where injury becomes likely, not the recommended waiting point.

Sun / Light: Full sun to partial shade according to the habitat and heat response described in this profile.

Manage according to North Florida seasonality. age legend is not verified archaeology; preserve accession by seed and phenotype.

Planting & Seasonal Guide

Starting & Germination Methods

Seed Sowing

Seed sowing is the umbrella operational method for placing botanical seed into a germination environment. It includes selection of containers or beds, medium, depth, spacing, moisture, temperature, light,…

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Direct Seed

Direct Seed is retained as a legacy identity for placing seed directly into its final production container, bed, plug position, restoration cell, or growing location without first raising…

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Plant or move outdoors when conditions match warm-season trellised rows and the accession is not exposed to avoidable cold or heat shock.
Establish during the season appropriate to warm-season trellised rows, with freeze, heat, and hurricane timing considered.

Spacing: Allow the mature width and necessary airflow; adjust nursery spacing as the specimen grows.

Planting Depth: Set transplants at the original crown or root-flare depth; sow seed only to species-appropriate depth.

Pollination: Primarily self-pollinating.

Water, Soil & Nutrition

💧 Water & Moisture

Keep bean soil evenly moist from emergence through pod fill, avoiding saturated roots and overhead irrigation that prolongs leaf wetness.
Consistent moisture appropriate to the crop, with drainage or aquatic containment as specified.
Provide airflow and dry foliage promptly after irrigation or rain; protected specimens require regular pest scouting.

🌱 Soil & Growing Media

Preferred pH: 5.50 to 7.50

Drainage & Root-Zone Behavior

Nutrition & Deficiency Checks

Use inoculation and soil-test-based fertility appropriate to Phaseolus beans. Avoid excessive nitrogen that suppresses nodulation and favors foliage over pods.
Diagnose pH, roots, water status, and tissue pattern before fertilizing; environmental injury can mimic deficiency.

Growth, Maintenance & Harvest

Mature HeightVines commonly require a 6–8 foot trellis.
Mature WidthAbout 8–12 inches per plant along a trellis.
Growth RateModerate to fast under suitable seasonal conditions; record local performance by accession.

Maintenance & Pruning

Remove dead, diseased, storm-damaged, or intentionally harvested growth with sanitized tools; preserve the natural form and accession identity.

Harvest or Observation

Properly cooked mature beans; young pods if suitable. Harvest only clean, correctly identified, legally permitted material and retain accession records.

Storage & Preservation

Maintain labeled seed, propagules, or a living backup according to the species; prevent moisture damage, contamination, and unauthorized distribution.

Harvestable Plant Parts & Uses

SeedsPods

Properly cooked mature beans; young pods if suitable. Keep harvest identity, treatment history, and storage records attached.

Propagation, Cloning & Tissue Culture

Propagation Methods

Direct Sowing

Direct sowing is the establishment of plants by sowing seed outdoors or into the final production bed rather than transplanting nursery-grown seedlings. It is a complete site operation…

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Seed

Seed is retained as an umbrella propagation identity for sexual reproduction through mature botanical seed. A seed normally contains an embryo, stored reserves or nutritive tissue, and protective…

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Aquaponics, Hydroponics & Aeroponics

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Conditional

Aquaponics

Use only in contained systems when food safety, root oxygen, toxicology, and nutrient loading are compatible.

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Conditional

Hydroponics

Use only where the crop's root form and safety allow; unsupported universal nutrient recipes are omitted.

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Experimental

Aeroponics

No profile-specific operating notes have been recorded.

Pests, Diseases, Safety & Toxicology

Scout for bean beetles, aphids, whiteflies, leafhoppers, mites, thrips, caterpillars, stink bugs, and seedcorn maggot.
Monitor for damping-off, anthracnose, rust, bacterial blights, mosaic viruses, root rots, and white mold. Use clean seed and rotate away from bean residue.
Preserve the 1500 Year Old Cave Bean seed-lot identity, rogue off-types, isolate for seed purity where needed, trellis according to growth habit, and harvest dry seed only after full maturity.
Age legend is not verified archaeology; preserve accession by seed and phenotype. Additional risks include poor identification, incorrect irrigation, weak airflow, and loss of accession records.
Dry common beans must be properly cooked before consumption because raw or undercooked seed can contain harmful lectins. Treated seed is never food.
Age legend is not verified archaeology; preserve accession by seed and phenotype. Follow pesticide labels, legal restrictions, and public/private visibility controls.