FrostDateByZip

Frost dates for 99556Anchor Point, AK

The average last spring frost in Anchor Point is May 27 and the average first fall frost is September 22, giving a typical growing season of about 116 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 27

Safer after Jun 8 (1-in-10 risk)

Average first fall frost
Sep 22

Possible by Sep 4 (1-in-10 risk)

Growing season
116 days

Last frost typically in 212 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)——78 days100%
Frost / freeze (32°F)May 14 · May 27 · Jun 8Sep 4 · Sep 22 · Oct 5116 days100%
Hard freeze (28°F)Apr 25 · May 9 · May 22Sep 19 · Oct 4 · Oct 22147 days100%

Planting calendar for Anchor Point

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsApr 26 – Jul 2
TomatoesTransplant outdoorsJun 12 – Jun 2
PeppersStart seeds indoorsApr 26 – May 27
PeppersTransplant outdoorsJun 26 – Jul 27
EggplantStart seeds indoorsMay 13 – Jun 11
EggplantTransplant outdoorsJun 26 – Jul 27
CucumbersSow outdoorsJun 26 – Jun 12
Summer squashSow outdoorsJun 12 – Jul 27
Winter squash & pumpkinsSow outdoorsJun 26 – Jul 27
Snap beansSow outdoorsJun 12 – Jul 5
Sweet cornSow outdoorsJun 12 – Jun 2
Watermelon & cantaloupeSow outdoorsJun 26 – Jul 27
OkraSow outdoorsJun 19 – Jul 12
PeasSow outdoors (spring)Apr 26 – Jun 11
PotatoesPlant outdoors (spring)Apr 26 – Jun 26
OnionsStart seeds indoors (spring)Mar 15 – Apr 11
OnionsTransplant outdoors (spring)May 13 – Jun 11
BroccoliStart seeds indoors (spring)Apr 8 – May 12
BroccoliTransplant outdoors (spring)May 13 – Jun 11
BroccoliStart seeds indoors (fall)May 23 – Jun 2
BroccoliTransplant outdoors (fall)Jun 22 – Jul 3
CabbageStart seeds indoors (spring)Mar 29 – Apr 26
CabbageTransplant outdoors (spring)Apr 26 – May 27
CabbageStart seeds indoors (fall)May 13 – Jun 12
CabbageTransplant outdoors (fall)Jun 12 – Jul 13
Leaf lettuceSow outdoors (spring)Apr 26 – Jul 12
Leaf lettuceSow outdoors (fall)Jun 12 – Jul 29
SpinachSow outdoors (spring)Apr 19 – Jun 2
SpinachSow outdoors (fall)Jun 29 – Aug 3
RadishesSow outdoors (spring)Apr 26 – Jun 16
RadishesSow outdoors (fall)Jun 12 – Aug 13
KaleSow outdoors (spring)May 13 – Jun 2
KaleSow outdoors (fall)Jun 5 – Jul 13
CarrotsSow outdoors (spring)May 27 – Jul 12
CarrotsSow outdoors (fall)May 13 – Jun 28
GarlicPlant outdoors (fall)Sep 12 – Oct 13

Where these dates come from

ZIP code 99556 is matched to the NOAA station Homer 9 E, AK, 25.3 km away, at 512 ft elevation (155 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Homer 9 E, AK (used)512 ftMay 27Sep 22
Homer 8 Nw, AK1,080 ftMay 16Sep 30
Homer Ap, AK64 ftMay 10Sep 29
Seldovia Ap, AK29 ftMay 10Oct 1

Frost dates near Anchor Point

Frequently asked questions

When is the last frost in Anchor Point, AK?
For ZIP code 99556, the average last spring frost (32°F) is May 27, based on NOAA 1991-2020 climate normals for the Homer 9 E, AK weather station. There is a 1-in-10 chance of a frost after June 8.
When is the first frost in Anchor Point, AK?
The average first fall frost (32°F) is September 22. There is a 1-in-10 chance of frost by September 4, so tender plants are at risk from that point on.
How long is the growing season in 99556?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 116 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.