One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 Rosenberg can be read to figure out when to plant balsam.

Planting Calendar for Balsam

Frost tolerance for balsam:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Balsam require warm weather which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant balsam in Rosenberg is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant balsam and expect a good harvest is probably September. If you wait any later than that and your balsam may not have a chance to fully mature. Starting your balsam indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Rosenberg the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Rosenberg and it can change quite a bit from year to year. Since half of the time in Rosenberg you get a frost after February 15 be ready to cover your balsam if you have one of those late frosts.

USDA Zone Info for Rosenberg

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 Rosenberg

You may be interested in your other planting guides for Rosenberg.