The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Port Arthur can be looked at to determine when it's a good idea to plant geum.

Planting Calendar for Geum

Frost tolerance for geum:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Geum can survive in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant geum in Port Arthur is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant geum and expect a good harvest is probably September. If you wait any later than that and your geum may not have a chance to fully mature. You can get started a few weeks earlier by starting your geum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Port Arthur. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Port Arthur is an average and the actual date of last frost will vary from year to year. Since half of the time in Port Arthur you get a frost after February 15 be ready to protect your geum in the event of one of those late frosts.

USDA Zone Info for Port Arthur

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Port Arthur

You may be interested in your other planting guides for Port Arthur.