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Best soil chemistry for roses: Roses seem to grow best in soil that has a chemical pH of about 6.5.
Vegetable flowers:The top part of broccoli is really flower buds. After enough time each will grow into a bright yellow flower, hence the name florets is given to them. Broccoli flowers are not usually given as gift bouquets. Sunflowers in art: Vincent Van Gogh painted his famous painting called Sunflowers in the 19th century.
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