One of the first steps you take when you are determining 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.

In Golden you can determine when it's possible to plant celery by referring to the USDA zone info.

Planting Calendar for Celery

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

You can plant celery a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant celery in Golden 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 celery and expect a good harvest is probably August. If you wait any later than that and your celery may not have a chance to really do well. Starting your celery indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Golden. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Golden is just an average and the actual date of last frost will vary from year to year. Half of the time in Golden last frost occurs after April 15 so make sure that you are prepared to cover your celery in the event of a late frost.

USDA Zone Info for Golden

Here is the info for USDA Zone 5b.

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

Plants to Grow in Golden

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