One of the best tools that you have as gardeners to help us figure out 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.

You should be able to figure out when it's the best time to plant scabiosa by reviewing the USDA zone info for Honolulu.

Planting Calendar for Scabiosa

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

Since scabiosa do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant scabiosa in Honolulu is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant scabiosa and expect a good harvest is probably November. Any later than that and your scabiosa may not have a chance to grow to maturity. You can get started a little bit earlier by starting your scabiosa indoors.

Last Frost Date

In Honolulu it never frosts. It might get as low as 50°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Honolulu and it will vary from year to year. Since it never frosts in Honolulu you do not have to be ready to protect your scabiosa in the event of a late frost.

USDA Zone Info for Honolulu

Here is the info for USDA Zone 12a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	50°F
Highest Expected Low	55°F

This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.

Plants to Grow in Honolulu

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