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The classic poppy has bright orange or red flowers; most will self-sow regardless of the environment. However, poppies perform best in sunlit plots with hydrated but well-drained soil in zone 7b.
Annual flowers like marigolds, poppies, sunflowers, and more add pops of color to your garden. Here, experts recommend the best ones and where to buy seeds.
20 Best Annual Flowers for Your Garden Liliboas - Getty Images "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you want bold colors and instant ...
The plant will self-seed, often spreading rapidly if left unchecked in a garden. Some gardeners recommend that the seeds should be soaked before planting, but this is not totally necessary. In North America , the plant perennializes in warm, coastal environments, particularly in USDA zones 7–10.
Cosmos bipinnatus is an annual that is often considered half-hardy, although plants may reappear via self-sowing for several years.The plant height varies from 2–6 ft to (rarely) 9 ft (0.61–1.83–2.74 m).
Safflower usually emerges 1–3 weeks after sowing and grows slower under low temperatures. Germination of safflower is epigeal. The first true leaves emerging form a rosette. This stage occurs in winter with short daylength and cold temperature, as the safflower can tolerate frosts up to −7 °C (19 °F) during the rosette stage.
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This species of Cosmos is considered a half-hardy annual, although plants may re-appear via self-sowing for several years.Its foliage is opposite and pinnately divided. The plant height varies from 1–7 feet (30–210 cm).