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Hydrangea macrophylla

This plant has poison characteristics. See below.
Common Name(s):
Bigleaf hydrangea
Cultivar(s):
All Summer Beauty, Alpengluhen bigleaf hydrangea, Ayesha, Blue Billow, Blue Wave, Cardinal Red, Dooley, Endless Summer, Goliath, Libelle, Mariesii, Mariesii Perfecta, Masja, Mathilda Gutges, Merrit's Beauty, Monrey, Nigra, Nikko Blue, Pia, Sister Theresa, Teller White, Pink Elf, Mariesii Variegata
Categories:
Poisonous Plants, Shrubs
Comment:

pH of 5.0 to 5.5 for blue flowers; pH of 6.0 to 6.5 for pink flowers; wilts during dry weather; prune after flowering; rapid growth rate; this plant may be damaged by deer

Description:
Deciduous shrubs; leaves opposite, simple, stalked, toothed and sometimes lobed; flowers in terminal, round or umbrella-shaped clusters, white, pink, or blue, 4- 5-parted, the sterile flowers (around the margin or the entire cluster) are much enlarged.
Height:
3-6 ft.
Foliage:
Opposite, simple, lustrous medium to dark green leaves; 4-8 in. long; fleshy; 'Mariesii Variegata' is 6' x 6' with striking white leaf margins
Flower:
Large flat-topped corymb with numerous flowers; pink, white, blue or violet color; borne on previous season's growth
Zones:
6 to 9
Habit:
Deciduous
Site:
Sun to partial shade; prefers moist, well-drained soil enriched with organic matter
Texture:
Coarse
Form:
Compact, rounded shrub with erect, unbranched stems
Poison Part:
Bark, leaves, flower buds.
Poison Delivery Mode:
Ingestion.
Symptoms:
Nausea, stomach pain, vomiting, sweating.
Toxic Principle:
Hydrangin, a cyanogenic glycoside.
Severity:
TOXIC ONLY IF LARGE QUANTITIES EATEN.
Found in:
Houseplant or interiorscape; landscape as woody shrub; forest or natural area as native shrub.
Width:
4-6 ft.
Tags:
deciduous, TSC

NCCES plant id: 1575

Hydrangea macrophylla Hydrangea macrophylla
Alpengluhen bigleaf hydrangea Alpengluhen bigleaf hydrangea
Ayesha Ayesha
Dooley Dooley
Goliath Goliath
Libelle; Teller White Libelle; Teller White
Mariesii Perfecta Mariesii Perfecta
Masja Masja
Mathilda Gutges Mathilda Gutges
Merrit's Beauty Merrit's Beauty
Nigra Nigra
Nikko Blue Nikko Blue
Pia; Pink Elf Pia; Pink Elf
Sister Theresa Sister Theresa