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.

You will be able to figure out when it's possible to plant monkey flower by using the USDA zone info for Scottsdale.

Planting Calendar for Monkey Flower

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

It's a bad idea to 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 Scottsdale 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. Any later than that and your monkey flower may not have a chance to grow to maturity. Starting your monkey flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Scottsdale. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Scottsdale is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Scottsdale it frosts late in the year after February 15 be ready to protect your monkey flower if you have one of those late frosts.

USDA Zone Info for Scottsdale

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 Scottsdale

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