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.

The USDA zone info for Marana can be looked at to figure out when it's possible to plant balloon flower.

Planting Calendar for Balloon Flower

Frost tolerance for balloon flower:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant balloon flower a bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant balloon flower in Marana 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 balloon flower and expect a good harvest is probably September. Any later than that and your balloon flower may not have a chance to grow to maturity. If you are starting your balloon flower indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Marana the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Marana may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Marana there is a last frost after February 15 be ready to protect your balloon flower if you have a surprise late frost.

USDA Zone Info for Marana

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Marana

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