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On: August 13, 2023

How to grow Persian Shield in the UK

Growing Persian Shield (Strobilanthes dyerianus) in the UK requires careful attention to its tropical nature and the temperate climate of the region. While Persian Shield is not well-suited to the UK’s cooler climate, you can ...

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

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