The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when it's a good idea to plant tree onions by using the USDA zone info for Truth or Consequences.

Planting Calendar for Tree onions

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

Tree onions do well in mild cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant tree onions in Truth or Consequences 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 tree onions and expect a good harvest is probably August. If you wait any later than that and your tree onions may not have a chance to grow to maturity. Starting your tree onions 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 Truth or Consequences. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Truth or Consequences is an average the actual date of last frost changes from year to year. Half of the time in Truth or Consequences you get a frost after March 15 so always be ready to protect your tree onions in the event of a surprise late frost.

USDA Zone Info for Truth or Consequences

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 Truth or Consequences

You may be interested in your other planting guides for Truth or Consequences.