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Hardiness colour codes

All the plants featured in this book have been given a hardiness colour code. This is to help you select plants that are capable of surviving the winters in your area.

	GREEN	hardy down to -20°C (-4°F)
	ORANGE	hardy down to -10°C (14°F)
	RED	hardy down to -5°C 23°F)
	DOUBLE RED	hardy down to 0°C (32°F)

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Alocasia macrorrhiza