The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when you can plant monkey flower is to consult the USDA zone info for Rosemead.

Planting Calendar for Monkey Flower

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

You should not plant monkey flower until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant monkey flower in Rosemead 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 monkey flower and expect a good harvest is probably September. If you wait any later than that and your monkey flower may not have a chance to fully mature. Starting your monkey flower indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Rosemead. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that USDA zone info for Rosemead is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Rosemead last frost occurs after January 31 so always be ready to protect your monkey flower in the event of a surprise late frost.

USDA Zone Info for Rosemead

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Rosemead

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