Catalpa × erubescens 'Purpurea' Archives

Please briefly explain why you feel this question should be reported.

Please briefly explain why you feel this answer should be reported.

Please briefly explain why you feel this user should be reported.

On: June 21, 2024

How to Grow Catalpa erubescens Purpurea

Introduction to Catalpa erubescens Purpurea Catalpa erubescens Purpurea, commonly known as the purple catalpa, is a stunning hybrid tree noted for its large, heart-shaped leaves that emerge as a deep purple and gradually turn dark ...

RHS Hardiness Ratings	USDA Plant Hardiness Zones	Approximate Temperature Range (°C)
H1a H1b H1c	13 12 11	>15°C 10 to 15°C 5 to 10°C
H2	10b	1 to 5°C
H3	9b to 10a	-5 to 1°C
H4	8b to 9a	-10 to -5°C
H5	7b to 8a	-15 to -10°C
H6	6b and 7a	-20 to -15°C
H7	6a	Below -20°C

Local Gardener Latest Articles