The USDA Zone info is a great tool for gardeners to help us figure out 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.

In Rosenberg you can estimate when it's a good idea to plant chamomile by looking at the USDA zone info.

Planting Calendar for Chamomile

Frost tolerance for chamomile:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant chamomile just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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

The last month that you can plant chamomile and expect a good harvest is probably October. Any later than that and your chamomile may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your chamomile indoors.

Last Frost Date

The average date of last frost is February 15 in Rosenberg. In the coldest months of winter you can expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Rosenberg is just an average and the actual date of last frost is different every year. Half of the time in Rosenberg it frosts late in the year after February 15 so make sure that you are prepared to cover your chamomile if you have a surprise late frost.

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.