Best Plants For Castle Rock, WA

A variety of plants are suitable for Castle Rock's climate. According to our data, the growing zone for the area is 8b, with average annual lows of 15 to 20 degrees Fahrenheit. Scroll down for a full list of the best plants for Castle Rock, WA based on our analysis of the region's climate.

If growing food is your aim, vegetables hardy to Castle Rock include beets, bell peppers and broccoli, while fruits like apple, apricot and blackberry will flourish.

For flower beds, go with choices like azalea, begonia and camellia for the best results.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

Trees for Castle Rock

American Holly

American Sycamore

Bald Cypress

Black Walnut

Catalpa Tree

Eastern Redbud

European Beech

Japanese Maple

Pear Tree

River Birch

Saucer Magnolia

Southern Live Oak

Southern Red Oak

Sugar Maple

Sweet Bay Magnolia

Tulip Poplar

White Ash

Witch Hazel

Yoshino Cherry

Yulan Magnolia

Fruits for Castle Rock

Apple

Apricot

Blackberry

Blueberry

Cherry

Fig

Grape

Kiwi

Lemon

Lime

Mulberry

Olive

Orange

Peach

Pear

Persimmon

Plum

Pomegranate

Raspberry

Strawberries

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Flowers for Castle Rock

Azalea

Begonia

Camellia

Chrysanthemums

Clematis

Coneflower

Cosmos

Dahlia

Daphne

Daylily

Gardenia

Geranium

Hydrangea

Iris

Lilac

Marigold

Peony

Roses

Viburnum

Wisteria

Vegetables for Castle Rock

Beets

Bell Peppers

Broccoli

Cabbage

Carrots

Collard Greens

Cucumbers

Eggplant

Garlic

Green Beans

Kale

Lettuce

Okra

Onions

Radish

Spinach

Sweet Potatoes

Swiss Chard

Tomatoes

Zucchini

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Frequently Asked Questions

Have questions about plants for your area? Check out our FAQ below for quick answers to common questions about what plants grow best in the Castle Rock, WA climate.

Some of the best vegetables for Castle Rock, WA include beets, bell peppers and broccoli. Other recommended vegetables include Cabbage, Carrots and Collard Greens based on Castle Rock's USDA hardiness zone.

Map of WA Hardiness Zones

Choose plants with your zone in mind

Choosing plants based on the growing zone for Castle Rock ensures that your plants will be able to survive the lowest annual temperatures in your area of Washington.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Stainless Steel Garden Tool Set

Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.

Best Time to Plant in Castle Rock

Check the growing calendar for Castle Rock at the Old Farmer's Almanac to see the best planting times for the region.

Need Gardening Gear?

The Plant Guide Online has selected some of our favorite products to help you with your next growing project. From seed starting trays and fertilizers to decor and lifestyle items, we think you'll love what we've selected.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

Castle Rock's Temperature

USDA Growing Zone: 8b

Zip Codes: 98611

Longitude: -122.905

Latitude: 46.2708

Lowest Avg Temperatures (F): 15 to 20

The USDA growing zone is 8b in Castle Rock, WA. This is a measure of the lowest temperature that a plant can survive, helping to decide what plants would be suitable for the region's climate. According to our records, the average annual extreme minimum temperature in Castle Rock is 15 to 20 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for Castle Rock, WA.

Map of Castle Rock

Worm Composting Kit

Complete kit for starting your own worm composting system.

Cluck Around Sign

Whimsical sign for your chicken coop area.

Brass Watering Can

Elegant brass watering can with classic design and durability.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

All Towns In WA

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Tools You'll Love

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Reusable Grow Bags

Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.

Plants For Other States

Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

Stainless Steel Garden Tool Set

Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.

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