How to Grow Pigeon Peas USA

Soil & Growing Conditions

Water: Drought-resistant once established via its deep taproot; needs full sun and no waterlogging for successful pod development; little response to fertiliser and tolerates low soil phosphorus (USDA NRCS)

Growth Stages

Stage	BBCH	Notes
Sowing and establishment	0	Sow seed 1.5in deep in rows 1-3ft apart at 8-10lb/acre (USDA NRCS); UF/IFAS Extension gives the same 8-10lb/acre rate in slightly wider 3-4ft rows, thinned to 12-18in between plants. Needs a soil temperature of at least 64°F (18°C) at planting or establishment slows; seedlings emerge within about 3 weeks but grow slowly, so weeds must be closely managed for the first 6 weeks (USDA NRCS).
Vegetative growth	3	Deep, fast-growing taproot develops and forms nitrogen-fixing nodules with naturally occurring Rhizobium already present in most soils that have grown legumes recently, so inoculant is not usually necessary. Grow in full sun with no waterlogging; fertilisation is not usually needed since the plant tolerates low soil phosphorus (USDA NRCS).
Flowering	6	A short-day plant needing about 12.5 hours of daylight to begin flowering; takes 65-80 days from sowing to flower. Bi-laterally symmetrical, bell-shaped, yellow or yellow-and-red flowers form in the angle between stem and leaf (USDA NRCS).
Fruiting and harvest	8	A further 50-75 days after flowering for seed to mature. Pods are pointed and mottled red, and do not shatter in the field so they can withstand weather damage. Harvest after first frost, once leaf drop makes the pods easier to reach; in Florida this falls in October-November (USDA NRCS; UF/IFAS Extension).

Quick Facts

Factor	Value
Soil texture	Wide range of soil types (USDA NRCS)
Drainage	Well-drained; will not survive waterlogged conditions (USDA NRCS)
Lifecycle	Erect annual or short-lived perennial, usually grown as an annual; under good management can persist up to five years, though the stem grows woodier and seed production declines with age (UF/IFAS Extension; USDA NRCS Plant Guide).
Edible parts	seeds, pods

At a Glance

Harvest & Storage

When to pick: Pods are two-valved, pointed and mottled red, 2-3.5in (5-9cm) long, containing 2-9 round or oval seeds that may be light beige to dark brown; pods do not shatter in the field and can withstand weather damage. Harvest after first frost, once leaf drop eases access to the pods; methods are similar to soybean and can be mechanised with a combine (USDA NRCS). In Florida, harvest falls October-November (UF/IFAS Extension). Sowing-to-seed-maturity of 115-155 days is derived by summing USDA NRCS's separate flowering (65-80 days) and post-flowering seed-maturation (50-75 further days) figures.

Storage

Dry seed stores well as a pulse crop; unprocessed raw seed should not be eaten by humans or livestock since it contains tannins and trypsin inhibitors -- cooking removes the trypsin inhibitors (USDA NRCS).

Diseases

Fusarium wilt (pigeon pea)

moderate

Fusarium sp.

USDA NRCS states C. cajan "can develop Fusarium wilt, a common fungal disease" -- named only at genus level in the source, with no further detail on severity or regional prevalence given, so the pathogen is recorded…

Pests

Capsid bugs

low

Miridae

Named as "mirids (Miridae)" among the "other pests" listed by USDA NRCS (no severity grading given).

Cutworms

low

Noctuidae

Named among the "other pests" listed by USDA NRCS (Noctuidae, no severity grading given).

Southern green stink bug

low

Nezara viridula

Named among the "other pests" listed by USDA NRCS alongside cutworms, thrips and mirids (no severity grading given in the source).

Heliothis spp. (pod borer moths)

high

Heliothis spp.

Named directly by USDA NRCS as attracting Heliothis spp., which "can significantly decrease yields"; the source separately notes C. cajan has been used as a trap crop for Heliothis spp. in affected cotton.

Thrips

low

Thysanoptera

Named among the "other pests" listed by USDA NRCS (Thysanoptera, no severity grading given).

What the research guides add

Pigeon pea is a tropical shrub-legume, and the range of days it needs is the main thing to understand before growing it in a cooler garden.

• An erect shrub or short-lived perennial legume, often grown as an annual, 1 to 4 metres high. (University of Hawaii (CTAHR))
• The University of Hawaii gives optimum temperatures of 18 to 38°C and says most cultivars are not frost tolerant. Purdue adds that it grows well in tropical and subtropical environments at 20 to 40°C and tolerates lows of about 5 to 10°C. (University of Hawaii (CTAHR), Purdue)
• The crop has a wide range of maturity, 80 to 250 days, and time to maturity is greatly affected by temperature and photoperiod. (Purdue)
• Seedlings emerge two to three weeks after sowing. (University of Hawaii (CTAHR))

Pigeon pea in the USA: climate data

The sources give 80–250 days from sowing to harvest (Purdue). NOAA’s median freeze-free season runs from 136 days in Bismarck, ND to 365 days in Phoenix Sky Harbor, AZ; in every one of the cities it is at least as long as the quickest time given.

Dates are the median 32°F freeze dates and freeze-free days from NOAA NCEI U.S. Climate Normals 1991–2020; zones come from the USDA 2023 Plant Hardiness Zone Map (ZIP code of each city centre). The last column is the freeze-free season minus the longest time to harvest the sources give; it is arithmetic, not a forecast, and the soil still has to warm before sowing, which uses up some of the spare days. These are medians, so a cold year can be shorter.

Sources for this section

• University of Hawaii at Manoa, College of Tropical Agriculture and Human Resources: Pigeonpea (Sustainable and Organic Agriculture Program)
• Purdue University Center for New Crops and Plant Products: Pigeonpeas: Potential New Crop for the Southeastern United States

Section researched and checked on 24 October 2026 by the SoilCommander Editorial Team. How we check facts: editorial policy.

Sources

1. USDA Natural Resources Conservation Service (NRCS), Cape May Plant Materials Center - Plant Guide: Pigeonpea (Cajanus cajan)

   Detailed description, adaptation (soil pH 4.5-8.4, well-drained, 65-86°F optimal, tolerates >95°F, hardy to 41°F, frost defoliates), establishment (1.5in deep, 1-3ft rows, 8-10lb/acre, needs 64°F+ soil temp), management (annual or perennial to 5yr, harvest after first frost, resistant to root lesion nematodes), pests (Heliothis spp., cutworms, thrips, mirids, green stink bugs, pod borers, storage bean weevils), disease (Fusarium wilt), flowering biology (short-day, 12.5hr, 65-80 days to flower + 50-75 days to seed maturity), uses and toxicity note (raw seed contains tannins/trypsin inhibitors, removed by cooking).

These source is specific to this region. The full list of 2 sources behind this guide (University of Florida IFAS Extension, USDA Natural Resources Conservation Service (NRCS), Cape May Plant Materials Center) is in the references of our UK guide to pigeon peas; they describe the plant itself, which is the same wherever it grows.