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Growing requirements from the plant library. Cultivar and local conditions can change the details.

Care decision	Bigleaf hydrangeaHydrangea macrophylla
Light	Morning sun or light shade; afternoon shade is especially useful in hot locations. NC State Extension: bigleaf hydrangea
Water	Keep the root zone evenly moist while allowing excess water to drain; check soil before adding more. NC State Extension: bigleaf hydrangea
Soil & growing mix	Moisture-retentive, well-drained soil; soil chemistry affects some flower colors. NC State Extension: bigleaf hydrangea
Mature size	Commonly 3–6 feet tall and wide; compact and larger cultivars differ. Illinois Extension: bigleaf hydrangea
Growing season	Summer flowers; deciduous leaves and dormant woody stems in winter. NC State Extension: bigleaf hydrangea
Winter & climate	A general species reference lists USDA zones 6–9. Cultivar ratings and flower-bud survival need separate checks. Illinois Extension: bigleaf hydrangea
Container fit	Container choice matters. Check mature size and root-space guidance in the reference.
Place & variety	Winter survival does not guarantee summer flowers. In colder gardens, old stems or their buds may be injured while the crown survives; reblooming ability helps but does not remove all climate limitations. Illinois Extension: bigleaf hydrangea
Equipment to consider	FELCO 6 bypass pruning shears
Evidence & next steps	Trees, shrubs & vines guides → Prune a Hydrangea by Its Flowering Wood, Not Its Flower Color Move a Small Shrub Only After the New Site Is Ready Apply Soil pH Amendments From a Test Recommendation, Not a Generic Chart Read the growing reference NC State Extension: bigleaf hydrangea Illinois Extension: bigleaf hydrangea

These facts help compare choices. They do not establish that plants can share a pot, watering circuit or outdoor site. Check the full reference and local suitability before planting.

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