How it thrives
Blue on acidic soil, pink on alkaline; only thin out bigleaf hydrangeas in spring.
Oakleaf hydrangea – what to know
Oakleaf hydrangea (Hydrangea quercifolia) belongs to the Hydrangeaceae family (genus Hydrangea) and is listed in our catalog under “Garden flower”. Its needs – light: bright indirect; water: high; humidity: medium. Frost-hardy to about -20 °C – it can overwinter outdoors in many climates. Rest period: cold winter dormancy. Typical flowering time: June, July, August, September. Easy enough for beginners. For cats: mildly toxic; for dogs: mildly toxic. Keep it out of reach and call a vet straight away if you suspect poisoning. Nobody on Perfect Plants Club has added it to their collection yet – be the first!
All Hydrangea species in the catalog →Detailed toxicity data →
Frequently asked questions
How often should I water Oakleaf hydrangea?
Generously: keep the soil evenly moist and never let it dry out completely.
How much light does Oakleaf hydrangea need?
It likes bright but indirect light, such as near an east- or west-facing window.
How cold can Oakleaf hydrangea get?
Frost-hardy to about -20 °C – it can overwinter outdoors in many climates.
Is Oakleaf hydrangea toxic to cats and dogs?
For cats: mildly toxic; for dogs: mildly toxic. Keep it out of reach and call a vet straight away if you suspect poisoning.
When does Oakleaf hydrangea flower?
Typical flowering time: June, July, August, September.
What members’ data shows
When does it really bloom?
No blooms logged yet. If yours flowers, your data will be the first!
Average watering interval
Not enough watering logs yet. Waterings logged in the care hub feed this chart.
Tips and questions about this species
Hydrangea
Care data is for guidance only.

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