Phaseolus vulgaris (90 days) Open-pollinated. The name means ‘black monkeys’ in Spanish. Marina Davis brought this small heirloom black bean to our attention. Plant economy and extreme earliness are its primary assets. Plants neither sprawl, twine nor get moldy. Monos ripens much earlier than Black Turtle, but with not quite as rich flavor. Seed originally collected by Will Bonsall from Salvadoran immigrants in Vassalboro, Maine. ①
358 Monos Negros - Sustainably Grown
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All beans are open-pollinated.
Days to maturity are from emergence after direct sowing.
Culture: Tender, will not survive frost. Plant seeds 3–4" apart in rows 24–30" apart after all danger of frost has passed and soil has warmed. Minimum germination soil temperature 60°; optimal range 60–80°. White-seeded beans are generally more sensitive to cold soil temps than dark-seeded varieties. Legumes have moderate fertility needs and can fix their own nitrogen (inoculate with Guard-N Combo Legume Inoculant). Excessive nitrogen may induce some bush varieties to develop vines in moist hot weather.
Saving Seed: Saving bean seed is easy! Leave pods on the plants to dry. Hand shell, or stomp pods on a tarp. To ensure true-to-type seed, separate varieties by 30 feet.
BBS: Bacterial Brown Spot
CBMV: Common Bean Mosaic Virus
CTV: Curly Top Virus
DM: Downy Mildew
HB: Halo Blight
NY 15: NY 15 Mosaic Virus
PM: Powdery Mildew
PMV: Pod Mottle Virus
White mold, Sclerotinia sclerotiorum, affects more than 300 plant species. In beans, low humidity, good air circulation and wider spacing, both between plants and between rows, reduce the likelihood of this soil-borne infection.
For the latest results of our germination tests, please see the germination page.