One of the first steps you take when you are making a decision about your gardening schedule is find your 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 La Grande you should be able to determine when it's possible to plant pincushion flower.

Planting Calendar for Pincushion Flower

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

Pincushion Flower do well in moderate cold which tells us that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant pincushion flower in La Grande 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 pincushion flower and expect a good harvest is probably September. Any later than that and your pincushion flower may not have a chance to fully mature. You can get started a little bit earlier by starting your pincushion flower indoors.

Last Frost Date

The average date of last frost is April 15 in La Grande. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for La Grande is not always accurate the actual date of last frost changes from year to year. Since half of the time in La Grande it frosts late in the year after April 15 be ready to protect your pincushion flower in the event of one of those late frosts.

USDA Zone Info for La Grande

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in La Grande

You may be interested in your other planting guides for La Grande.