One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. 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 it's the best time to plant monkey flower is to use the USDA zone info for Roseville.

Planting Calendar for Monkey Flower

Frost tolerance for monkey flower:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Monkey Flower are not cold tolerant which means that you have to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant monkey flower in Roseville 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 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 really do well. Starting your monkey flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Roseville the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Roseville is an average and the actual date of last frost changes from year to year. Since half of the time in Roseville it frosts late in the year after February 15 be ready to cover your monkey flower in the event of a surprise late frost.

USDA Zone Info for Roseville

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Roseville

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