Seed Swaps

Bean 'Purple King'  

Phaseolus vulgaris

  • 30 plantings
  • 4 available for swap
  • 6 wanted
  • 29 stashed

Purple King is part of the Phaseolus genus and is a Bean variety. Its scientific name is Phaseolus vulgaris 'Purple King'. 'Purple King' is considered a heirloom cultivar. When ripe, fruit appear in these approximate colours:   Palatinate purple.

heirloom 1 variety of climbing bean that is an Australian favourite producing straight
flat bright purple pods that grow up to 17cm long. Sometimes called Magic Beans because the purple pods turn green when they are cooked; giving these beans an inbuilt timer to prevent overcooking! The plants crop in approximately 90 days and will produce continuously over an extended season.

Purple King grows as an Annual and is a Vegetable. Being an Annual, it tends to grow best over the course of a single year. Purple King normally grows to a max height of 5.46 feet (1.68 metres metric).

Mexico is believed to be where Purple King originates from.

Purple King Bean is normally fairly low maintenance and is normally quite easy to grow, as long as a level of basic care is provided throughout the year. Being aware of the basic soil, sun and water preferences will result in a happier and healthier plant.

This variety plant info is provided by the myfolia gardener's wiki. All details about Purple King have been kindly provided by our members.

How to grow Purple King

  • Full Sun

  • Medium

Plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Purple King is thought of as tender, so it is imperative to wait until temperatures are mild before planting out of doors. USDA Hardiness Zone 5 to 13 are typically the USDA Hardiness Zones that are appropriate for this plant (although this can vary based on your microclimate). Purple King tends to grow best in a soil ph of between 6.0 and 6.8 meaning it does best in weakly acidic soil.

Growing Purple King from seed

Ensure a distance of 5.94 inches (15.24 cm) between seeds when sowing - look to sow at a depth of approximately 1.95 inches (5.0 cm). Soil temperature should be kept higher than 16°C / 61°F to ensure good germination.

By our calculations, you should look at sowing Purple King about 14 days after your last frost date.

Transplanting Purple King

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Purple King is a tender plant.

Harvesting Purple King

Mature at 75 Days
Resow every 2 weeks for harvest all summer long

This variety tends to be ready for harvesting by late spring.

Bean Purple King Etymology

The species name vulgaris is from the Latin vulgus (“the multitude, the masses”) +‎ -āris, and means “common”, “usual”, or “commonly known” 2.

Latest Bean 'Purple King' Reviews

  • Grew really well, very easy at least for 5a. Harvest was pretty good

    4 stars

    Tubasteve42 about growing Bean

See all Purple King reviews and experiences »