One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant pincushion flower in Altoona can be figured out by checking out 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.

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

The earliest that you can plant pincushion flower in Altoona 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 pincushion flower and expect a good harvest is probably August. Any later than that and your pincushion flower may not have a chance to really do well. If you are starting your pincushion flower indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Altoona. You should expect an average low temperature of -25°F in the coldest months of winter.

Keep in mind that USDA zone info for Altoona is an average and the actual date of last frost is different every year. Since half of the time in Altoona last frost occurs after May 15 be ready to protect your pincushion flower in the event of a surprise late frost.

USDA Zone Info for Altoona

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Altoona

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