One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when it's the best time to plant gladiolus by referring to the USDA zone info for Woodland.

Planting Calendar for Gladiolus

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

You can plant gladiolus slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant gladiolus in Woodland 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 gladiolus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gladiolus may not have a chance to really do well. You can get started a few weeks earlier by starting your gladiolus indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Woodland is just an average and the actual date of last frost is different every year. Half of the time in Woodland you get surprised by a frost after March 15 so just be sure to be ready to protect your gladiolus if you have one of those late frosts.

USDA Zone Info for Woodland

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Woodland

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