Green hyacinth bean, certified organic seeds (Lablab purpureus)

Hyacinth Bean

Product code : GAIAS-0234

Vigoureuse grimpante patrimoniale à fleurs violettes et gousses vertes plates. Biologique; 50 graines; maturité en 80 à 100 jours. Lisez les indications du sachet avant de commencer et conservez l’étiquette pour suivre la variété pendant toute la saison. Préparez un substrat propre, meuble et bien drainé, puis humidifiez-le avant de déposer les graines afin de limiter leur déplacement. Gardez le semis uniformément humide sans laisser d’eau stagnante, car un excès d’humidité réduit l’aération autour des jeunes racines. Placez les semis dans une lumière vive dès la levée et tournez régulièrement les contenants pour favoriser une croissance équilibrée. Lorsque plusieurs plantules se disputent le même espace, éclaircissez avec soin pour conserver les sujets les plus vigoureux sans déranger leurs racines.
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Green hyacinth bean, certified organic seeds (Lablab purpureus) Also called lablab or Egyptian bean, this heirloom develops into a vigorous vine covered with attractive purple flowers followed by flat green pods. It can reach 15 to 20 feet high and spread 3 to 5 feet when given sturdy support. Gaia identifies it as an annual open-pollinated crop certified organic by Ecocert Canada. The product option currently offered contains 50 seeds. Kew accepts Lablab purpureus in the Fabaceae family. This dramatic plant suits sunny trellises, arches, and seasonal living screens while providing an unusual edible harvest.

Direct sow after the last frost once soil has warmed, 1 to 2 inches deep. Space seeds 3 to 4 inches apart and leave approximately 24 inches between rows. A temperature of 21 to 30°C, preferably around 26°C, supports emergence in 8 to 10 days. Install a tall sturdy trellis before the vigorous stems begin climbing. Grow in full sun and fertile well-drained soil. Water regularly without allowing standing water, especially during flowering and pod development. Maturity requires approximately 80 to 100 days. Guide young vines onto their support and preserve airflow through the dense growth.

Harvest young immature green pods for cooking, or let pods mature and dry for seed. Complete preparation is essential: mature dry hyacinth beans contain cyanogenic glycosides and must be thoroughly boiled with the water changed several times before eating. Never eat raw or undercooked seeds. Finish drying in a ventilated location, then store thoroughly dry seed in an airtight container in a cool, dark, dry place. Keep seed intended for the next garden clearly labelled and separate from the culinary harvest. Cook young pods before serving and discard any material showing mould, spoilage, or incomplete drying.

Practical guide

How to use it

Uses in the garden

Install green hyacinth bean at the base of a very sturdy trellis, arch, or freestanding structure in full sun. Its 4.5- to 6-meter vine quickly creates a seasonal screen covered in purple flowers, then flat green pods. Leave about 60 cm between rows for circulation and good air flow. Avoid installing it on a fragile structure or near a gutter, as the vigorous stems become heavy. The flowers also add significant interest to pollinator gardens. Read the instructions on the packet before starting and keep the label to track the variety throughout the season. Prepare a clean, loose, and well-drained substrate, then moisten it before placing the seeds to limit their displacement. Keep the seedling uniformly moist without letting water stagnate, as excess moisture reduces aeration around young roots. Place seedlings in bright light as soon as they emerge and regularly turn the containers to promote balanced growth. When multiple seedlings compete for the same space, carefully thin them to keep the most vigorous specimens without disturbing their roots. Before outdoor planting, gradually acclimate young plants to wind, sun, and temperature fluctuations for several days.

Good to know

Frequently asked questions

01 How much does the packet contain?
Lisez les indications du sachet avant de commencer et conservez l’étiquette pour suivre la variété pendant toute la saison. Préparez un substrat propre, meuble et bien drainé, puis humidifiez-le avant de déposer les graines afin de limiter leur déplacement. Gardez le semis uniformément humide sans laisser d’eau stagnante, car un excès d’humidité réduit l’aération autour des jeunes racines. Placez les semis dans une lumière vive dès la levée et tournez régulièrement les contenants pour favoriser une croissance équilibrée. Lorsque plusieurs plantules se disputent le même espace, éclaircissez avec soin pour conserver les sujets les plus vigoureux sans déranger leurs racines.
02 How to start the seedling?
Sow directly after the last frost, when the soil has warmed up, at a depth of 2.5–5 cm. Space seeds 8 to 10 cm apart and rows about 60 cm apart. Immediately install a tall, sturdy trellis. Read the packet instructions before starting and keep the label to track the variety throughout the season. Prepare a clean, loose, well-draining substrate, then moisten it before placing the seeds to limit their movement. Keep the seedbed uniformly moist without allowing standing water, as excess moisture reduces aeration around young roots. Place seedlings in bright light as soon as they emerge and regularly rotate containers to encourage balanced growth.
03 How long does germination take?
Germination generally takes 8 to 10 days at 21 to 30 °C, ideally around 26 °C. Loose, warmed, and well-drained soil helps seeds sprout without rotting. Read the instructions on the packet before you begin and keep the label to track the variety throughout the season. Prepare a clean, loose, and well-drained substrate, then moisten it before placing the seeds to limit their displacement. Keep the seedbed uniformly moist without allowing standing water, as excess moisture reduces aeration around young roots. Place seedlings in bright light as soon as they emerge and regularly rotate containers to encourage balanced growth.
04 How to organize planting in the garden?
Stems can reach 4.5 to 6 m and spread 90 to 150 cm. Use a very sturdy arch or trellis, guide the young stems, and leave about 60 cm between rows for circulation. Read the package directions before you start and save the label to keep track of the variety throughout the season. Prepare a clean, loose, well-drained growing medium, then moisten it before planting the seeds to limit their movement. Keep the seedlings evenly moist without allowing standing water, as excess moisture reduces aeration around young roots. Place the seedlings in bright light as soon as they emerge and rotate the containers regularly to promote balanced growth.
05 When should we harvest?
Maturity takes about 80 to 100 days. Cook young pods before serving. Mature dry seeds require thorough boiling with several changes of water; never eat them raw or undercooked. Read package directions before starting and save the label to track the variety throughout the season. Prepare a clean, loose, well-draining substrate, then moisten it before placing the seeds to limit their displacement. Keep the seedling uniformly moist without leaving standing water, as excess moisture reduces aeration around young roots. Place seedlings in bright light as soon as they emerge and regularly rotate containers to encourage balanced growth.