How to sow and grow the varied double Chater hollyhock? SOIL CHOICE: Hollyhocks prefer rich, well-fertilized, well-drained, and calcareous soil. They appreciate a sunny location, sheltered from the wind. They adapt very well to maritime climates. SOWING: Sow your varied double Chater hollyhock seeds from May to July in a nursery bed. Transplant your seedlings in the nursery bed at 20cm spacing.
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