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500 Best Plants for Castle Rock | 2026 Guide - Page 5

Discover the 500 ideal plants for Castle Rock's climate. Average temp: 7.9°C, Humidity: 56.7%.

🌡️ 7.9°C

💧 56.7%

All Succulents Orchids Palms Foliage Plants Air Purifying Easy Care Pet Safe

Top 500 Plants for Castle Rock

Showing 145-180 of 500

Tree of Heaven

Tree of Heaven

Ailanthus

Easy 💧 14 days 🌡️ -15°C - 35°C

Red Valerian

Red Valerian

Centranthus ruber

Easy 💧 14 days 🌡️ -15°C - 35°C

Hollyhock

Hollyhock

Alcea rosea

Medium 💧 5 days 🌡️ -15°C - 35°C

Mountain Laurel

Mountain Laurel

Kalmia

Medium 💧 7 days 🌡️ -23°C - 32°C

Cider Gum

Cider Gum

Eucalyptus gunnii

Easy 💧 10 days 🌡️ -18°C - 38°C

Ottawa Barberry

Ottawa Barberry

Berberis × ottawensis

Easy 💧 14 days 🌡️ -25°C - 35°C

Viper's Bugloss

Viper's Bugloss

Echium vulgare

Easy 💧 12 days 🌡️ -30°C - 35°C

Tree of Heaven

Tree of Heaven

Ailanthus altissima

Easy 💧 21 days 🌡️ -12°C - 35°C

Yellow Toadflax

Yellow Toadflax

Linaria vulgaris

Easy 💧 10 days 🌡️ -20°C - 30°C

Pacific Rhododendron

Pacific Rhododendron

Rhododendron macrophyllum

Medium 💧 5 days 🌡️ -15°C - 27°C

Lavender

Lavender

Lavandula

Easy 💧 14 days 🌡️ -15°C - 38°C

Field Scabious

Field Scabious

Knautia arvensis

Easy 💧 10 days 🌡️ -30°C - 35°C

Northern Catalpa

Northern Catalpa

Catalpa speciosa

Easy 💧 7 days 🌡️ -29°C - 38°C

Hillside Blueberry

Hillside Blueberry

Vaccinium pallidum

Easy 💧 10 days 🌡️ -26°C - 35°C

Cranesbill

Cranesbill

Geranium

Easy 💧 7 days 🌡️ -20°C - 30°C

Japanese Banana

Japanese Banana

Musa basjoo

Easy 💧 4 days 🌡️ -12°C - 35°C

Perennial ryegrass

Perennial ryegrass

Lolium perenne

Easy 💧 3 days 🌡️ -28°C - 35°C

Chinese Elm

Chinese Elm

Ulmus parvifolia

Easy 💧 10 days 🌡️ -15°C - 40°C

Hedgerow Cranesbill

Hedgerow Cranesbill

Geranium pyrenaicum

Easy 💧 7 days 🌡️ -20°C - 30°C

English Yew

English Yew

Taxus baccata

Medium 💧 14 days 🌡️ -25°C - 35°C

Western Red Cedar

Western Red Cedar

Thuja plicata

Easy 💧 10 days 🌡️ -30°C - 35°C

Riverbank Grape

Riverbank Grape

Vitis riparia

Easy 💧 7 days 🌡️ -35°C - 38°C

Blackcurrant

Blackcurrant

Ribes nigrum

Easy 💧 8 days 🌡️ -30°C - 35°C

Arrow Bamboo

Arrow Bamboo

Pseudosasa japonica

Easy 💧 5 days 🌡️ -15°C - 35°C

Chinese lantern

Chinese lantern

Alkekengi officinarum

Easy 💧 7 days 🌡️ -23°C - 30°C

Foamy Bells

Foamy Bells

Heucherella

Easy 💧 7 days 🌡️ -29°C - 35°C

Brassica

Brassica

Brassica

Easy 💧 5 days 🌡️ -4°C - 24°C

Catnip

Catnip

Nepeta cataria

Easy 💧 7 days 🌡️ -30°C - 35°C

Redcurrant

Redcurrant

Ribes rubrum

Medium 💧 8 days 🌡️ -20°C - 28°C

Hedge Bedstraw

Hedge Bedstraw

Galium mollugo

Easy 💧 7 days 🌡️ -20°C - 28°C

English walnut

English walnut

Juglans regia

Medium 💧 14 days 🌡️ -27°C - 35°C

Common Hogweed

Common Hogweed

Heracleum

Medium 💧 7 days 🌡️ -20°C - 30°C

Chaste tree

Chaste tree

Vitex

Easy 💧 14 days 🌡️ -15°C - 40°C

Moonseed

Moonseed

Menispermum canadense

Medium 💧 6 days 🌡️ -30°C - 35°C

Slender Stinging Nettle

Slender Stinging Nettle

Urtica gracilis

Easy 💧 9 days 🌡️ -30°C - 35°C

Switch cane

Switch cane

Arundinaria tecta

Easy 💧 7 days 🌡️ -12°C - 32°C

Castle Rock Climate for Plant Growing

Castle Rock has a climate with an average annual temperature of 7.9°C and average relative humidity of 56.7%. These climate conditions are ideal for various species of ornamental and fruit plants.

Tips for Growing Plants in Castle Rock

To succeed in growing plants in Castle Rock, consider the average temperature of 7.9°C when choosing your species. Protect cold-sensitive plants during winter. Moderate humidity is ideal for most plants.

Why Choose Plants Adapted to the Local Climate?

Plants adapted to Castle Rock's climate require less care, consume less water, and are more likely to thrive. Our selection considers the compatibility between each species' needs and local climate conditions, including temperature (7.9°C) and humidity (56.7%).