One of the first steps you take when you are getting a good idea 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 Renton should be looked at to determine when it's possible to plant baby's breath.

Planting Calendar for Baby's Breath

Frost tolerance for baby's breath:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant baby's breath a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant baby's breath in Renton 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 baby's breath and expect a good harvest is probably September. You probably don't want to wait any later than that or else your baby's breath may not have a chance to really do well. You can get started a few weeks earlier by starting your baby's breath indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Renton. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Renton may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Renton you get a frost after March 15 be ready to cover your baby's breath in the event of one of those late frosts.

USDA Zone Info for Renton

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 Renton

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