One of the first steps you take when you are estimating your gardening schedule is find your 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 Surprise should be reffered to in order to estimate when you can plant geranium.

Planting Calendar for Geranium

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

Since geranium require warm weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

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

Last Frost Date

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

Since the USDA zone info for Surprise may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Surprise you get surprised by a frost after February 15 so make sure that you are ready to protect your geranium in the event of one of those late frosts.

USDA Zone Info for Surprise

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 Surprise

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