World Plants

Euphorbia pulcherrima (Poinsettia, Noche Buena)

USDA Hardiness Zone	9 - 11
USDA Hardiness Ref.
Canadian Hardiness Zone	Requires cool season protection under glass.
Canada Hardiness Ref.
RHS Hardiness Zone	H3 - H1c
RHS Hardiness Ref.
Temperature (°C)	-2
Temperature (°F)	24
Height	0.6 to 4 m
Spread	0.3 - 0.6 m
Growth	Medium
Flowering Period	July, August, September

Shape	Spreading.
Landscape	Potted seasonal plant.
Cultivation	Grow in partial shade in moist, well-draining, humus-rich and acidic soil.
Pests	Whitefly, mealybugs, red spider mites and scale. Root and stem rot if overwatered.
Bark/Stem Description	In the wild the plant dons woody glaborous stems. In cultivation the stems are less woody and more fleshy, glaborous and medium green to reddish-green.
Leaf Description	The plant bears dark green dentate leaves that measure 7 to 16 cm in length. The coloured bracts—which are most often flaming red but can be orange, pale green, cream, pink, white or marbled—are actually leaves.
Flower Description	The flowers, called cyathia, are grouped within the small yellow structures found in the center of each leaf bunch.
Texture Description	Smooth, leathery.