One of the best tools that you have as gardeners to help us estimate 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 you can plant sagina by referring to the USDA zone info for Castle Rock.

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.

Since sagina do ok in moderate cold you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant sagina in Castle Rock 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. Any later than that and your sagina may not have a chance to really do well. Starting your sagina indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Castle Rock the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Castle Rock and it will vary from year to year. Half of the time in Castle Rock you get surprised by a frost after April 15 so always be ready to protect your sagina if you have one of those late frosts.

USDA Zone Info for Castle Rock

Here is the info for USDA Zone 5b.

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

Plants to Grow in Castle Rock

You may be interested in your other planting guides for Castle Rock.