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.

The best time to plant pincushion flower in Umatilla can be determined by looking at the USDA zone info.

Planting Calendar for Pincushion Flower

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

Since pincushion flower are moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant pincushion flower in Umatilla 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. If you wait any later than that and your pincushion flower may not have a chance to really do well. You can get started a little bit earlier by starting your pincushion flower indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Umatilla. You can expect an average low temperature of 5°F in the coldest months of winter.

Remember that USDA zone info for Umatilla is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Umatilla it frosts late in the year after April 15 be ready to cover your pincushion flower in the event of one of those late frosts.

USDA Zone Info for Umatilla

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Umatilla

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