Hydrangea
Hydrangea
100 seeds/pack (0.28 oz)
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Life Cycle:Perennial Shrub
Color : Blue, Pink, Purple, White(pH-Responsive)
Plant Height: 3-10 ft
Planting Season
Planting Season
Early Spring/Late Fall
Bloom Season
Bloom Season
Summer to First Frost
Tip
Tip
Soak seeds in warm water (12-24h or 4h at 104°F ), drain; plant in well-draining acidic soil mix (leaf mold/garden soil/sand/organic fertilizer) in pots with drainage holes; sow on surface, lightly cover (0.4-0.8 inches), water thoroughly; maintain 59-77°F with bright light, keep soil moist, use diluted liquid fertilizer; transplant seedlings after 6-8 weeks; avoid hot/humid conditions and monitor for pests.
Color Control Guide
Color Control Guide
For blue: add aluminum sulfate (acidic soil). For pink: add lime (alkaline soil).







Features
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Use
Foundation Plantings, Shade Gardens, Cut & Dried Flowers
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Plant Characteristics
Attracts Bees, Attracts Pollinators, Easy to Grow & Maintain, Fragrant
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Growing Conditions
Cold Tolerant, Greenhouse, Outdoor
Gardeners' Favorite, Four-Season Wonder

Planting Season
Spring to Fall
Sowing Method
Surface sow (light cover, keep moist)
Light Requirement
Partial shade
Planting Depth
1/8-1/4 inch
Spacing
3-7 ft
Hardiness Zones
5, 6, 7, 8, 9
pH-Controlled Color Magic
Whalejet hydrangeas bloom in blue/pink/purple/white based on soil pH (adjust with aluminum sulfate or lime). Giant 6-12 inch flower balls last 4-6 weeks, blooming summer to frost. Thrives in partial shade (3-6hrs sun) and acidic soil
Easy-Care Perennial
These moisture-tolerant shrubs outlast roses in wet climates. Plant once for decades of 3-10 ft tall blooms. Dried flowers stay decorative, while 'Endless Summer' varieties adapt to containers/shady spaces (3-7 ft spacing). Fall color shifts add seasonal drama.