One of the best tools that you have as gardeners to help us determine 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.

You will be able to figure out when it's the best time to plant balloon flower by reviewing the USDA zone info for Bonney Lake.

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.

Balloon Flower do well in some cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant balloon flower in Bonney Lake 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 balloon flower and expect a good harvest is probably August. If you wait any later than that and your balloon flower may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your balloon flower indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Bonney Lake. It might get as low as 15°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Bonney Lake and it can change quite a bit from year to year. Half of the time in Bonney Lake you get surprised by a frost after March 15 so just be sure to be ready to cover your balloon flower in the event of a late frost.

USDA Zone Info for Bonney Lake

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Bonney Lake

You may be interested in your other planting guides for Bonney Lake.