Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Richardson you can determine when it's possible to plant hosta by checking out the USDA zone info.

Planting Calendar for Hosta

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

You can plant hosta a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant hosta in Richardson 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 hosta and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hosta may not have a chance to grow to maturity. Starting your hosta indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Richardson. It might get as low as 10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Richardson is an average and the actual date of last frost will vary from year to year. Since half of the time in Richardson last frost occurs after March 15 be ready to cover your hosta in the event of a surprise late frost.

USDA Zone Info for Richardson

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Richardson

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