Product Description
Feel free to grow hollyhocks under Black Walnut trees; they are tolerant of the toxic juglone that is emitted through the trees' roots. Hollyhocks are best treated as a biennial or short-lived perennial.
Zones: 3,4,5,6,7,8,9
Feel free to grow hollyhocks under Black Walnut trees; they are tolerant of the toxic juglone that is emitted through the trees' roots. Hollyhocks are best treated as a biennial or short-lived perennial.
Zones: 3,4,5,6,7,8,9
