Best Plants For St. Marys, IA

A variety of plants are suitable for St. Marys's climate. According to our data, the growing zone for the area is 5b, with average annual lows of -15 to -10 degrees Fahrenheit. Scroll down for a full list of the best plants for St. Marys, IA based on our analysis of the region's climate.
Trees for St. Marys
Fruits for St. Marys
Flowers for St. Marys
Vegetables for St. Marys
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 St. Marys, IA climate.
Some of the best vegetables for St. Marys, IA include beets, broccoli and brussels sprouts. Other recommended vegetables include Cabbage, Carrots and Cauliflower based on St. Marys's USDA hardiness zone.
Map of IA Hardiness Zones
Choose plants with your zone in mindChoosing plants based on the growing zone for St. Marys ensures that your plants will be able to survive the lowest annual temperatures in your area of Iowa.

Small Greenhouse Kit

Raised Garden Planter

Brass Decorative Faucet Handle

Seed Starting Trays

Large Greenhouse Kit
Best Time to Plant in St. Marys
Check the growing calendar for St. Marys 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 Planter

Fiskars Garden Harvest Basket

Large Greenhouse Kit

Shiitake Mushroom Kit

Metal Arbor Trellis
Raised vegetable bed rows in zone 8aSt. Marys's Temperature
USDA Growing Zone: 5b
Zip Codes: 50241
Longitude: -93.7337
Latitude: 41.3077
Lowest Avg Temperatures (F): -15 to -10
The USDA growing zone is 5b in St. Marys, IA. 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. Marys is -15 to -10 degrees Fahrenheit. If you would like to learn more, visit our page on the growing zone for St. Marys, IA.
Map of St. Marys

Worm Composting Kit

Stainless Steel Garden Tool Set

Large Greenhouse Kit

Steel Hori Hori Weeding Knife

Rustic Iron Garden Trellis
All Towns In IA
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

Metal Arbor Trellis

Raised Garden Planter

Deluxe Plastic Watering Can

Brass Decorative Faucet Handle
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.

Deluxe Plastic Watering Can

Wooden Chicken Coop

Metal Arbor Trellis

Metal Seed Storage Box

Seed Starting Trays
To see our latest gardening and homesteading projects, you can find us on Facebook, Instagram, and TikTok.

