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  • HOME
  • PLANTS
    • Hardiness
      • Tropical plants
      • Sub tropical plants
      • Warm temperate
      • Tender plants
      • Half hardy plants
      • Hardy mild winter
      • Hardy cold winter
      • Hardy very cold winter
      • Very Hardy plants
    • Plant Type
      • Annuals and Biennials
      • Aroids
      • Cacti and succulents
      • Carnivorous plants
      • Climbers
      • Flowers
      • Foliage Plants
      • Grasses
      • Palms
      • Perennials
      • Trees
    • Position
      • Plants for dry areas
      • Plants for full sun
      • Plants partial shade
      • Plants for shade
      • Plants for wet areas
    • Propagation
    • Soil Types
      • Acid soil
      • Alkaline soil
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Local Gardener Latest Questions

Asked: May 22, 2024

How do I stop slugs from eating my Hostas?

How do I stop slugs from eating my Hostas?

How do I stop slugs from eating my Hostas? Slugs are among the most common and troublesome pests for gardeners growing Hosta ‘Patriot’. These pests are particularly problematic because they thrive in the same moist, shady conditions that Hostas prefer. ...Read more

Hostas
Asked: May 19, 2024

Can you take cuttings from impatiens omeiana pink nerves?

Can you take cuttings from impatiens omeiana pink nerves?

How to Take and Grow Cuttings from Impatiens omeiana ‘Pink Nerves’ Impatiens omeiana ‘Pink Nerves’ is a captivating perennial known for its striking variegated foliage and delicate pink flowers. Native to China, this plant is perfect for adding color and ...Read more

impatiens
Asked: May 18, 2024

Can a Tropical Garden Be Grown in the UK?

Can a Tropical Garden Be Grown in the UK?

What is a Tropical Garden? A tropical garden is a lush, vibrant space filled with exotic plants typically found in tropical and subtropical regions. These gardens are characterized by their dense foliage, bold and colorful flowers, large leaves, and an ...Read more

Design
Asked: May 15, 2024

Best Tithonia Varieties for Your Garden

Best Tithonia Varieties for Your Garden

Tithonias, commonly known as Mexican sunflowers, are cherished for their vibrant blooms and ability to attract pollinators. While Tithonia rotundifolia is the most widely known species, several varieties and cultivars offer different colors, sizes, and bloom times to suit various ...Read more

mexican sunflowertithonias
Asked: May 12, 2024

How do you take care of a calla lily plant?

How do you take care of a calla lily plant?

How do you take care of a calla lily plant? Calla lilies are elegant and relatively easy to care for. Here are some general tips to keep your calla lily plant healthy: Light: Calla lilies prefer bright, indirect light. Place ...Read more

Calla lily
Asked: May 12, 2024

How often do Orchids flower?

How often do Orchids flower?

How often do orchids flower? That depends on various factors including the species of orchid, its growing conditions, and care it receives. Generally, most orchids have a natural blooming cycle that can range from once a year to several times ...Read more

Asked: May 10, 2024

Why harden off plants?

Why harden off plants?

Harden off plants might sound like a perplexing gardening term, but it’s a crucial step for the health and resilience of your green companions. Whether you’re nurturing seedlings indoors or bringing home nursery-grown plants, acclimating them to outdoor conditions before ...Read more

hardening off plants
Asked: April 24, 2024

What is The Difference Between RHS Hardiness Ratings and USDA Zones

What is The Difference Between RHS Hardiness Ratings and USDA Zones

Understanding the suitability of plants for different climates is essential for successful gardening and landscaping. Two widely used systems for determining climate suitability are the Royal Horticultural Society (RHS) Hardiness Ratings and the United States Department of Agriculture (USDA) Plant ...Read more

RHS hardiness zonesusda zones
Asked: April 19, 2024

What are the temperature ranges for the USDA zones applicable to the UK

What are the temperature ranges for the USDA zones applicable to the UK

USDA zones applicable to the UK along with their corresponding temperature ranges: USDA Zone 5a: -15°F to -20°F (-26.1°C to -28.9°C) USDA Zone 5b: -10°F to -15°F (-23.3°C to -26.1°C) USDA Zone 6a: -5°F to -10°F (-20.6°C to -23.3°C) USDA Zone 6b: 0°F ...Read more

uk hardiness zonesusda zones
Asked: April 19, 2024

What uk counties are in what usda zones?

What uk counties are in what usda zones?

Mapping what uk counties are in what usda zones is challenging due to the differing climate patterns and microclimates within each county. However, we can make some general observations based on the climate characteristics of different regions in the UK. Read more

Plant hardiness zonesuk hardiness zonesusda zones

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How to guides

  • Grow Guide for Marsh Marigold (Caltha palustris)
    • On: May 1, 2025

    Grow Guide for Marsh Marigold (Caltha palustris)

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    • On: April 26, 2025

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    Growing Butia odorata in the UK

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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

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