One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when to plant swan river daisy is to use the USDA zone info for El Mirage.

Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably a bad idea to plant swan river daisy until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant swan river daisy in El Mirage 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 swan river daisy and expect a good harvest is probably September. You probably don't want to wait any later than that or else your swan river daisy may not have a chance to grow to maturity. You can get started a little bit earlier by starting your swan river daisy indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in El Mirage. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for El Mirage is just an average the actual date of last frost will vary from year to year. Half of the time in El Mirage there is a last frost after February 15 so always be ready to cover your swan river daisy if you have a late frost.

USDA Zone Info for El Mirage

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 El Mirage

You may be interested in your other planting guides for El Mirage.