Perennial

Native range: USDA hardiness zones 5-9

Edible parts of plants: the leaves

Sun requirements: full sun to partial shade

Ideal temperature: 15-20 deg C, 59 to 68 F

Soil type requirements: well-drained, moist, pH 6.0-7.0

Space requirements: 40-100 cm vertically, 30-80 cm horizontally 

Water frequency: soil should be moist but well-drained

Possible companion plants: Cabbage, peas, tomatoes, broccoli

Planting season: spring (link)

Start date: After last frost

Starting method: from seed or from cutting

Harvest date: Should be harvested just before the flowers start blooming. Continual Harvest 

Aggression: The plant is aggressive in growing, so barriers should be placed to keep it confined to a region.The barriers should extend into the soil so that the roots don’t grow out horizontally either.

Pests: Aphids, spider mites.