One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

By looking at the USDA zone info for Bulverde it's possible to figure out when it's the best time to plant flax.

Planting Calendar for Flax

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

Flax can survive in moderate cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant flax in Bulverde 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 flax and expect a good harvest is probably September. If you wait any later than that and your flax may not have a chance to fully mature. You can get started a few weeks earlier by starting your flax indoors.

Last Frost Date

The average date of last frost is March 15 in Bulverde. In the coldest months of winter you can expect an average low temperature of 15°F.

Remember that USDA zone info for Bulverde is just an average and the actual date of last frost is different every year. Since half of the time in Bulverde it frosts late in the year after March 15 be ready to protect your flax if you have a surprise late frost.

USDA Zone Info for Bulverde

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 Bulverde

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