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

It's a good idea to estimate when you can plant diascia by using the USDA zone info for Sutherlin.

Planting Calendar for Diascia

Frost tolerance for diascia:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Diascia are moderately cold tolerant which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant diascia in Sutherlin 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 diascia and expect a good harvest is probably September. Any later than that and your diascia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your diascia indoors.

Last Frost Date

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

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Sutherlin and it changes from year to year. Half of the time in Sutherlin you get a frost after March 15 so make sure that you are prepared to protect your diascia if you have a late frost.

USDA Zone Info for Sutherlin

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 Sutherlin

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