One of the first steps you take when you are determining 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 first chance to plant streptocarpella in Wasco can be determined by referring to the USDA zone info.

Planting Calendar for Streptocarpella

Frost tolerance for streptocarpella:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Streptocarpella are not cold tolerant which means that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant streptocarpella in Wasco 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 streptocarpella and expect a good harvest is probably September. If you wait any later than that and your streptocarpella may not have a chance to grow to maturity. Starting your streptocarpella indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Wasco. In the coldest months of winter you can expect an average low temperature of 20°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Wasco and it changes from year to year. Since half of the time in Wasco there is a last frost after February 15 be ready to protect your streptocarpella if you have a surprise late frost.

USDA Zone Info for Wasco

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 Wasco

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