Best Plants For Castle Hill, CA


A variety of plants are suitable for Castle Hill's climate. According to our data, the growing zone for the area is 9b, with average annual lows of 25 to 30 degrees Fahrenheit. Scroll down for a full list of the best plants for Castle Hill, CA based on our analysis of the region's climate.
Trees for Castle Hill
Fruits for Castle Hill
Flowers for Castle Hill
Vegetables for Castle Hill
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 Hill, CA climate.
Some of the best vegetables for Castle Hill, CA include beets, bell peppers and broccoli. Other recommended vegetables include Bush Beans, Carrots and Celery based on Castle Hill's USDA hardiness zone.
Map of CA Hardiness Zones


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

Metal Seed Storage Box

Deluxe Plastic Watering Can

Fiskars Garden Harvest Basket

Hoeing Ain't Easy Garden Sign

Shiitake Mushroom Kit
Best Time to Plant in Castle Hill
Check the growing calendar for Castle Hill 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.

Raised Garden Bed Kit

Stainless Steel Garden Tool Set

Brass Decorative Faucet Handle

Self Watering Plant Pots

Raised Garden Planter
Castle Hill's Temperature
USDA Growing Zone: 9b
Zip Codes: 94595
Longitude: -122.0585
Latitude: 37.8747
Lowest Avg Temperatures (F): 25 to 30
The USDA growing zone is 9b in Castle Hill, CA. 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 Hill is 25 to 30 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for Castle Hill, CA.
Map of Castle Hill

Steel Hori Hori Weeding Knife

Shiitake Mushroom Kit

Fiskars Garden Harvest Basket

Hoeing Ain't Easy Garden Sign

Wooden Chicken Coop
All Towns In CA
Tools You'll Love
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.

Wooden Chicken Coop

Hoeing Ain't Easy Garden Sign

Raised Garden Bed Kit

Metal Seed Storage Box

Large Greenhouse Kit
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

Stainless Steel Garden Tool Set

Deluxe Plastic Watering Can

Shiitake Mushroom Kit

Seed Starting Trays
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