Hydrangea
Hydrangea macrophylla
About it
- Kind
- Shrubs · Perennial
- Family
- Hydrangeaceae
- Mature size
- to 4.5 ft × 4.5 ft
- Blooms
- Jun–Aug
- Hardiness zones
- Zones 6–9
- Sun
- Part shade
- Spacing
- 48 in apart, rows 60 in
- Soil depth in a pot
- At least 14 in
- Soil pH
- 5.5–7
- Water
- About every 4 days
When to plant
We don't have planting times for Hydrangea yet.
Planting partners
No cited companion planting notes for Hydrangea yet.
Safety for pets and children
- Cats Listed as a problem for cats (NC State Extension) — Low severity; in the bark, flowers and leaves; toxic principle: hydracyanosides (cyanogenic glycosides)
- Dogs Listed as a problem for dogs (NC State Extension) — Low severity; in the bark, flowers and leaves; toxic principle: hydracyanosides (cyanogenic glycosides)
- Horses Listed as a problem for horses (NC State Extension) — Low severity; in the bark, flowers and leaves; toxic principle: hydracyanosides (cyanogenic glycosides)
- Children Listed as a problem for children (NC State Extension) — Low severity; in the bark, flowers and leaves; toxic principle: hydracyanosides (cyanogenic glycosides)
If a pet or child eats part of this plant, call your vet or poison control.
Read from NC State Extension ↗.
"No information" means our sources do not say, not that the plant is harmless. A non-toxic listing is not a reason to let anyone eat a plant.
Pests and diseases
No pest or disease notes for Hydrangea yet.
Check the label and your local extension service before using any product.
Where this comes from
- family npgsweb.ars-grin.gov ↗ GRIN page: Hydrangea macrophylla (Thunb.) Ser.
- Most facts NC State Extension ↗ Backfilled by 0041. Pre-0041 rows recorded one source for the whole row; per-field attribution was never captured and is not invented here.
- toxicity NC State Extension ↗ toxic for cat, dog, horse, child from the page's "Problem for" listing. Severity, parts and principle are the page's poison characteristics for the whole plant.