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Allium platycaule | Broadstemmed Onion | 10 Seeds

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Original price was: $8.61.Current price is: $5.16.

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Indoor/Outdoor : Indoor & Outdoor
Season of Interest : Fall, Spring, Summer
Growth Habit : Clumping
Type : Perennial Seeds
Life Cycle : Perennial
Climate : Highland, Humid Continental, Marine West Coast, Mediterranean, Semiarid, Tropical Wet, Tropical Wet & Dry
Sunlight : Full Sun, Medium Sun
Country/Region of Manufacture : United States
Soil Type : Loam, Peat, Sand
Planting Time : 4 Weeks
Soil pH : Neutral
Genus : Allium
Watering : Light
Color : Multicolor, Pink, Purple
Features : Air Purifying, Flowering
Brand : Unbranded
Common Name : Broadstemmed Onion

Allium platycaule, commonly known as broadstemmed onion, is a perennial herb native to the mountainous regions of the western United States, particularly in California and Oregon. This distinctive bulbous plant typically grows to a height of 6 to 12 inches, featuring broad, flat, blue-green leaves that arise from the base. In late spring to early summer, it produces a striking umbel of star-shaped flowers that can range in color from pink to deep rose, often with darker pink or purple midveins. These flowers attract various pollinators, including bees and butterflies. Allium platycaule thrives in well-drained, sandy, or rocky soils and prefers full sun to partial shade. It is well-suited for rock gardens, alpine gardens, and naturalized areas. Known for its drought tolerance and low maintenance requirements, broadstemmed onion is an excellent choice for xeriscaping and provides both ornamental beauty and ecological benefits to any garden setting. Zones 5-9 Germination To successfully germinate Allium platycaule seeds, follow these steps: Stratification is recommended to enhance germination. Place the seeds in a moist medium, such as sand or peat moss, and store them in a refrigerator at temperatures between 35°F and 40°F (1.5°C to 4.5°C) for about 8 to 12 weeks. After stratification, sow the seeds in a well-draining soil mix in seed trays or directly in the ground if the climate permits. Lightly cover the seeds with a thin layer of soil, approximately 1/8 inch deep, and water gently. Position the seed trays or sowing area in a location with full sunlight, as Allium platycaule prefers bright conditions. Maintain consistent moisture in the soil, avoiding waterlogging to prevent rot. Germination can take several weeks to a few months, so patience is essential. Once the seedlings have developed a few true leaves and are strong enough to handle, they can be transplanted to their permanent location, ensuring they have adequate space to grow and receive plenty of sunlight.

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