Last frost date in Burlington, Washington
March 24
Average last frost in spring. In an early year (1 in 10) it's over by March 3; in a late year (1 in 10) it comes after April 14.
November 3
Average first frost in fall. 1 year in 10 it comes by October 12.
Source: NOAA U.S. Climate Normals 1991–2020, station Mt Vernon 3 Wnw (USC00455678), 3.2 miles from Burlington, elevation 14 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 3 | Mar 24 | Apr 14 |
| First frost in fall | Oct 12 | Nov 3 | Nov 25 |
An early or late year is one in 10: 1 year in 10 the frost comes before the early date, and 1 year in 10 after the late date.
Frost-free days in an average year: 224
Planting calendar for Burlington
Fall planting
USDA dates for places whose average first freeze is about October 30 (Burlington: November 3).
- Black-eyed peasJune 1 – Aug 1 (past for this year)
- CucumbersJune 1 – Aug 1 (past for this year)
- Eggplant plantsJune 1 – July 1 (past for this year)
- New Zealand spinachJune 1 – Aug 1 (past for this year)
- OkraJune 1 – Aug 10 (past for this year)
- Peppers plantsJune 1 – July 20 (past for this year)
- SalsifyJune 1 – July 10 (past for this year)
- SoybeansJune 1 – July 15 (past for this year)
- Summer squashJune 1 – Aug 1 (past for this year)
- Sweet cornJune 1 – Aug 1 (past for this year)
- Sweet potatoesJune 1 – 15 (past for this year)
- Swiss chardJune 1 – Sept 10 (past for this year)
- TomatoesJune 1 – July 1 (past for this year)
- Winter squashJune 10 – July 10 (past for this year)
- Celery and celeriac plantsJune 15 – Aug 15 (past for this year)
- Broccoli plantsJuly 1 – Aug 15 (past for this year)
- Brussels sprouts plantsJuly 1 – Aug 15 (past for this year)
- Cantaloupe (muskmelon)July 1 – 15 (past for this year)
- CarrotsJuly 1 – Aug 15 (past for this year)
- Florence fennelJuly 1 – Aug 1 (past for this year)
- Lima beansJuly 1 – Aug 1 (past for this year)
- Snap beansJuly 1 – Aug 15 (past for this year)
- WatermelonJuly 1 – 15 (past for this year)
- Witloof chicoryJuly 1 – Aug 10 (past for this year)
- Cauliflower plantsJuly 15 – Aug 15 (past for this year)
- EndiveJuly 15 – Aug 15 (past for this year)
- KaleJuly 15 – Sept 1 (past for this year)
- RutabagaJuly 15 – Aug 1 (past for this year)
- PotatoesJuly 20 – Aug 10 (past for this year)
- BeetsAug 1 – Sept 1 (past for this year)
- Cabbage plantsAug 1 – Sept 1 (past for this year)
- Chinese cabbageAug 1 – Sept 15 (past for this year)
- Collards plantsAug 1 – Sept 15 (past for this year)
- Garden peasAug 1 – Sept 15 (past for this year)
- Head lettuce plantsAug 1 – Sept 15 (past for this year)
- KohlrabiAug 1 – Sept 1 (past for this year)
- ParsleyAug 1 – Sept 15 (past for this year)
- SorrelAug 1 – Sept 15 (past for this year)
- TurnipsAug 1 – Sept 15 (past for this year)
- DandelionAug 15 – Oct 1 (past for this year)
- Leaf lettuceAug 15 – Oct 1 (past for this year)
- Mustard greensAug 15 – Oct 15 (past for this year)
- RadishesAug 15 – Oct 15 (past for this year)
- SpinachSept 1 – Oct 1 (past for this year)
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
USDA lists chervil and chives, garlic, horseradish, leeks, parsnips, shallots as generally spring-planted here.
Spring planting
USDA dates for places whose average last freeze is about March 20 (Burlington: March 24).
- Corn saladJan 1 – Mar 15
- RutabagaJan 15 – Mar 1
- SpinachJan 15 – Mar 15
- RadishesJan 20 – May 1
- Asparagus plantsFeb 1 – Mar 10
- Cabbage plantsFeb 1 – Mar 1
- Garden peasFeb 1 – Mar 15
- GarlicFeb 1 – Mar 1
- Leaf lettuceFeb 1 – Apr 1
- LeeksFeb 1 – Mar 1
- Onion setsFeb 1 – Mar 20
- ShallotsFeb 1 – Mar 10
- Cauliflower plantsFeb 10 – Mar 10
- Chervil and chivesFeb 10 – Mar 10
- DandelionFeb 10 – Mar 10
- Onion plants plantsFeb 10 – Mar 10
- Onion seedFeb 10 – Mar 10
- PotatoesFeb 10 – Mar 15
- SorrelFeb 10 – Mar 20
- TurnipsFeb 10 – Mar 10
- BeetsFeb 15 – May 15
- Broccoli plantsFeb 15 – Mar 15
- Brussels sprouts plantsFeb 15 – Mar 15
- CarrotsFeb 15 – Mar 20
- Collards plantsFeb 15 – May 1
- Head lettuce plantsFeb 15 – Mar 10
- ParsleyFeb 15 – Mar 15
- ParsnipsFeb 15 – Mar 15
- SalsifyFeb 15 – Mar 1
- KaleFeb 20 – Mar 10
- KohlrabiFeb 20 – Mar 10
- Mustard greensFeb 20 – Apr 1
- Swiss chardFeb 20 – May 15
- Upland cressFeb 20 – Mar 15
- Celery and celeriac plantsMar 1 – Apr 1
- EndiveMar 1 – Apr 1
- Florence fennelMar 1 – Apr 1
- Snap beansMar 15 – May 25
- Sweet cornMar 15 – May 1
- Black-eyed peasApr 1 – July 1
- Cantaloupe (muskmelon)Apr 1 – May 1
- CucumbersApr 1 – May 1
- Eggplant plantsApr 1 – May 1
- Lima beansApr 1 – June 15
- New Zealand spinachApr 1 – May 15
- OkraApr 1 – June 15
- Summer squashApr 1 – May 15
- TomatoesApr 1 – May 20
- WatermelonApr 1 – May 1
- Peppers plantsApr 10 – June 1
- SoybeansApr 10 – June 30
- Sweet potatoesApr 10 – June 1
- Witloof chicoryJune 1 – July 1
USDA lists chinese cabbage as generally fall-planted here.
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5 (earliest safe spring and latest safe fall dates), applied to this place's NOAA frost dates. “Plants” means setting out transplants, not sowing seed. How we match the table.
Nearby in Washington
- Mount Vernon 3 mi · last frost Mar 24
- Sedro-Woolley 5 mi · last frost Mar 27
- Anacortes 14 mi · last frost Mar 8
- Oak Harbor 18 mi · last frost Mar 13
- Bellingham 21 mi · last frost Apr 1