Question 1

When should I plant radishes in ZIP 96813?

Accepted Answer

In ZIP 96813, the main radishes target is around Dec 4, based on the representative Honolulu frost station and USDA zone 12b.

Question 2

When should I start radishes seeds indoors in 96813?

Accepted Answer

Radishes is usually direct-sown for ZIP 96813. Use the Dec 4 planting window instead of starting it indoors.

Question 3

When is the last frost in Honolulu?

Accepted Answer

Honolulu (ZIP 96813) has an average last spring frost around Jan 1, based on the representative Honolulu frost station.

Question 4

When is the first frost in Honolulu?

Accepted Answer

Honolulu (ZIP 96813) has an average first fall frost around Dec 31, leaving about 364 frost-free days.

Question 5

Is this a guaranteed planting date?

Accepted Answer

No. GrowZone uses frost-date estimates, hardiness zones, and crop timing rules for planning. Local microclimates and current weather can shift the right date.

Radishes is usually direct-sown around Dec 4

Radishes dates for Honolulu, HI