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

By looking at the USDA zone info for Morro Bay it's a good idea to figure out when you can plant gladiolus.

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.

Since gladiolus do ok in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant gladiolus in Morro Bay 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 gladiolus and expect a good harvest is probably September. If you wait any later than that and your gladiolus may not have a chance to really do well. You can get started a little bit earlier by starting your gladiolus indoors.

Last Frost Date

On average the last frost is on February 15 in Morro Bay. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Morro Bay is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Morro Bay you get surprised by a frost after February 15 so make sure that you are prepared to cover your gladiolus if you have a surprise late frost.

USDA Zone Info for Morro Bay

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Morro Bay

You may be interested in your other planting guides for Morro Bay.