One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. 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 Riverside can be reffered to in order to estimate when it's possible to plant sagina.

Planting Calendar for Sagina

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

Sagina are barely cold tolerant which tells us that you can start planting them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant sagina in Riverside 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 sagina and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sagina may not have a chance to really do well. You can get started a couple of weeks earlier by starting your sagina indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Riverside. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Riverside is just an average the actual date of last frost changes from year to year. Since half of the time in Riverside you get surprised by a frost after April 15 be ready to protect your sagina in the event of a surprise late frost.

USDA Zone Info for Riverside

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Riverside

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