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Plant in July

How to Grow Heather in the UK

Heather (Calluna, Erica, and Daboecia species) is a low-maintenance, hardy plant that adds colour and texture to UK gardens year-round. With its vibrant flowers and evergreen foliage, heather thrives...

Growing Periwinkle in the UK

INVASIVE
Periwinkle (genus Vinca) is a hardy and versatile plant, valued for its evergreen foliage, charming flowers, and low-maintenance...

How to Grow Winter Jasmine (Jasminum nudiflorum)

Winter jasmine (Jasminum nudiflorum) is a vigorous, deciduous climber that brings cheer to the garden in the bleak...

How to Grow Mahonia

Mahonia, often called Oregon grape, is a beautiful evergreen shrub that brings interest to the garden throughout the...

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WEATHER

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Your gardening weather
London, GB
8:25 am, December 4, 2024
temperature icon 5°C
overcast clouds
Humidity 89 %
Pressure 1026 mb
Wind 10 mph
Wind Gust: 0 mph
Visibility: 6 mi
Sunrise: 7:48 am
Sunset: 3:53 pm
Weather from OpenWeatherMap

hardiness rATINGS

RHS Hardiness RatingsUSDA Plant Hardiness ZonesApproximate Temperature Range (°C)
H1a
H1b
H1c		13
12
11		>15°C
10 to 15°C
5 to 10°C
H210b1 to 5°C
H39b to 10a-5 to 1°C
H48b to 9a-10 to -5°C
H57b to 8a-15 to -10°C
H66b and 7a-20 to -15°C
H76aBelow -20°C

POT SIZES

 

Square Top Pots

Top DimensionsBase DimensionsHeightVolume 
10 cm x 10 cm (4 in x 4 in)8 cm x 8 cm (3 in x 3 in)10 cm (4 in)0.6 L
15 cm x 15 cm (6 in x 6 in)12 cm x 12 cm (5 in x 5 in)15 cm (6 in)2 L
20 cm x 20 cm (8 in x 8 in)15 cm x 15 cm (6 in x 6 in)20 cm (8 in)5 L
30 cm x 30 cm (12 in x 12 in)25 cm x 25 cm (10 in x 10 in)30 cm (12 in)18 L
40 cm x 40 cm (16 in x 16 in)35 cm x 35 cm (14 in x 14 in)40 cm (16 in)56 L
50 cm x 50 cm (20 in x 20 in)45 cm x 45 cm (18 in x 18 in)50 cm (20 in)113 L
60 cm x 60 cm (24 in x 24 in)55 cm x 55 cm (22 in x 22 in)60 cm (24 in)216 L

Round Top Pots

Top DiameterBase DiameterHeightVolume 
10 cm (4 in)8 cm (3 in)10 cm (4 in)0.5 L
15 cm (6 in)12 cm (5 in)15 cm (6 in)1.7 L
20 cm (8 in)15 cm (6 in)18 cm (7 in)3.2 L
30 cm (12 in)25 cm (10 in)30 cm (12 in)14.7 L
40 cm (16 in)35 cm (14 in)40 cm (16 in)37 L
50 cm (20 in)45 cm (18 in)50 cm (20 in)88 L
60 cm (24 in)55 cm (22 in)60 cm (24 in)181 L

Notes on Sizes

  • Square Pots: Great for plants needing even root distribution (e.g., vegetables or roses).
  • Round Pots: Ideal for taprooted plants (e.g., trees or larger shrubs).
  • Extra-Large Pots: Use for ornamental arrangements or permanent planting solutions like fruit trees.

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