
Giant Onion Seeds - Globemaster (Allium Giganteum)
π§ Giant Onion Seeds - Globemaster (Allium Giganteum)
π° Price: Package of 10 Seeds
π§ Giant Onion (Allium Giganteum), specifically the Globemaster variety, is an impressive ornamental onion plant known for its huge purple flower heads measuring 6β8 inches (15β20 cm) across. This plant is perfect for dried flower arrangements and is also a favorite among bees. πΈπ
Allium giganteum is a perennial bulbous plant that can grow up to 2 meters (6.5 feet) tall. It is the tallest ornamental Allium in common cultivation. The Globemaster variety is slightly shorter (80 cm/31 in), but it produces much larger, deep violet flower heads. This cultivar has received the Royal Horticultural Society's Award of Garden Merit, a recognition of its exceptional garden value.
Key Features:
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Name: Giant Allium 'Globemaster'
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Scientific Name: Allium Giganteum
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Color: Purple flower heads, 6β8 inches (15β20 cm) round
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Plant Height: 36β48 inches (90β120 cm)
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Planting Time: Outdoors after frost / Indoors weeks before last frost
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Bloom Time: Late Spring - Mid Summer
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Hardiness Zone: 4 - 9
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Plant Spacing: 12β15 inches (30β38 cm)
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Light Requirements: Full Sun
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Soil & Water Preferences: Average moisture and well-drained soil
How to Grow Giant Onion - Globemaster Seeds:
Plant Outdoors: Plant seeds outdoors after the last frost. π±
Plant Indoors: Start seeds indoors a few weeks before the last frost. π‘
Light: Plants prefer full sun for optimal growth. π
Soil & Watering: These plants thrive in average moisture with well-drained soil. No need for excessive watering. π§
Stratification Temperature: Place the pot with seeds in a plastic bag at around 5Β°C (41Β°F) for 3-4 weeks before moving it to the germination temperature of around 15Β°C (59Β°F). π‘οΈ
Germination: Germination can be slow, typically taking 1 month to several months. π±
Growing Tips:
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Use sterilized soil for planting.
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Lightly cover the seeds with soil, keeping it moist but not waterlogged.
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After stratification, move the pot to the ideal temperature for germination.
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Once the plants have grown sufficiently, transplant them to your chosen garden space. π³
Uses:
π§ Giant Onion is popular among flower arrangers and those who love dried flower decorations. Its large purple flowers create a stunning visual effect in the garden and can be dried for beautiful arrangements and decorative pieces. πβ¨
π§ Giant Onion Seeds - Globemaster (Allium Giganteum)
Giant Allium, Allium giganteum, Purple Onion flowers, Ornamental Allium, Giant Onion seeds, Garden Allium bulbs πΈπ±


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