This vegetable trio is known as the "Three Sisters System" or "Central America System"as these three plants are native to the New Continent and they are also strictly connected to the native american folklore representing three inseparable Sisters:
Corn, the oldest one, is also the tallest and can provide a support for bean vines to climb.
Squash, the second sister, reveals bright yellow flowers and her large leaves trap water evaporation from the soil; she is also a living mulch.
Bean, the third sister, has a mechanism whereby fixing nitrogen to her roots she can improve the fertility of the soil for the next year.
These three vegetable can also complement each other in terms of nutrition: corn is a source of carbohydrates, beans can provide protein, and squash is rich of vitamins and oil from seeds, a perfect balanced diet.
Speaking of balanced diet, food and vegetables: The Harvest Festival is coming!
On Sunday 2nd October from 11am to 4pm the Queen’s Orchard of Greenwich will be open to the public to celebrate the London Harvest Festival week with free activities and workshop for any age.
Save the date, and see you there at the Orchard!
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