Gladioli Archives - Local Gardener

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Asked: August 30, 2024

Can Gladioli be in a UK Tropical Garden?

Can Gladioli be in a UK Tropical Garden?

Gladioli, with their striking tall spikes and vibrant blooms, bring an exotic touch to any garden. Despite their origins in South Africa, gladioli can thrive in the UK’s temperate climate, adding a tropical flair to your garden. This guide delves ...Read more

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