Best Plants For St. Helena, CA

A variety of plants are suitable for St. Helena's climate. The growing zone for the area is usually 9b, with average annual lows of 25 to 30 degrees Fahrenheit. Scroll down for a full list of the best plants for St. Helena, CA based on our analysis of the region's information.
Trees for St. Helena
Fruits for St. Helena
Flowers for St. Helena
Vegetables for St. Helena
Map of CA Hardiness Zones

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

Metal Arbor Trellis

Seed Starting Trays

Reusable Grow Bags

Stainless Steel Garden Tool Set

Small Greenhouse Kit
Best Time to Plant in St. Helena
Check the growing calendar for St. Helena 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.

Metal Arbor Trellis

Large Greenhouse Kit

Wooden Chicken Coop

Cluck Around Sign

Stainless Steel Garden Tool Set

St. Helena's Temperature
USDA Growing Zone: 9b
Zip Codes: 94574
Longitude: -122.4682
Latitude: 38.5063
Lowest Avg Temperatures (F): 25 to 30
The USDA growing zone is 9b in St. Helena, 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 St. Helena is 25 to 30 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for St. Helena, CA.
Map of St. Helena

Raised Garden Planter

Shiitake Mushroom Kit

Rustic Iron Garden Trellis

Worm Composting Kit

Deluxe Plastic Watering Can
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

Stainless Steel Garden Tool Set

Shiitake Mushroom Kit

Raised Garden Bed Kit

Small 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.

Raised Garden Planter

Large Greenhouse Kit

Metal Arbor Trellis

Fiskars Garden Harvest Basket

Reusable Grow Bags
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