January
While there aren’t significant outdoor allergies in January, there are still environmental allergy triggers in your home. These are:
- Dust mite
- Pet dander
- Mold
Pollen Allergy Seasons – Idaho, Montana, Oregon, Washington
Pacific Northwest Pollen Allergy calendar for Idaho, Montana, Oregon, Washington.
Northwest
Pacific Northwest Pollen Allergy Calendar – Find Out When Allergy Seasons End
Treat the cause of your allergies with safe, affordable, and pain-free allergy drops right from the comfort of your home.
Allergy drops, or sublingual immunotherapy, work like allergy shots to train your body to stop reacting to allergens. Allergy drops are precise liquid drops you place under your tongue. No pain, no extra visits for a shot, and it’s personalized for you to deliver an optimal dose.
If you’re tired of chronic allergies and getting temporary relief from meds, or not interested in getting allergy shots, you have a choice! Most people can’t avoid their allergies. Allergy drops are a safe way to stop suffering, especially for:
Who allergy drops help
- Infants and young children*
- Asthmatics
- Those with chronic conditions including sinusitis and eczema
- People with food and mold allergy
- People with multiple allergies including dust mites, pollen, and animals
Allergy calendar
Northwest United States – Allergy Season by Month
Printable calendar
Download Northwest Allergy CalendarPDFFebruary
You’ll start to experience allergies due to tree pollens such as:
- Alder
- Cedar/Juniper
March
More trees are coming out of their winter slumber. Allergies may start acting up due to pollen from:
- Alder
- Birch
- Cedar, Juniper
- Cottonwood
- Elm
- Maple
- Willow
April
Tree pollen season is in full effect this time of year with prominent pollen from:
- Alder
- Ash
- Birch
- Cedar, Juniper
- Cottonwood
- Elm
- Maple
- Oak
- Pine
- Sycamore
- Willow
One weed pollen allergy may also start to cause problems in April – Plantain.
Next step
Questions about your allergy season? Call (866) 793-1680.
May
This month can be a struggle for those who deal with tree, grass, and weed allergies.
Prominent tree pollen:
- Ash
- Cottonwood
- Maple
- Oak
- Pine
- Sycamore
- Walnut (Black)
Prominent grass pollen:
- Ky. Bluegrass
- Meadow Fescue
- Ryegrass
Prominent weed pollen:
- Dock/Sorrel
- Plantain
June
Tree pollen season is almost done, but grass and weed pollen becomes more common.
Prominent tree pollen:
- Walnut (Black)
Prominent grass pollen:
- Brome
- Johnson
- Ky. Bluegrass
- Meadow Fescue
- Orchard
- Ryegrass
- Timothy
Prominent weed pollen:
- Dock/Sorrel
- Nettle
- Plantain
- Sagebrush
- Scale
July
Tree pollen season should be done. Weed and grass pollens become the biggest cause of outdoor allergies.
Prominent grass pollen:
- Brome
- Johnson
- Orchard
- Ryegrass
- Timothy
Prominent weed pollen:
- Cocklebur
- Dock/Sorrel
- Kochia
- Marshelder
- Nettle
- Plantain
- Russian Thistle
- Sagebrush
- Scale
Next step
Questions about your allergy season? Call (866) 793-1680.
August
Prominent grass pollen:
- Johnson
Prominent weed pollens:
- Cocklebur
- Kochia
- Marshelder
- Plantain
- Ragweed
- Russian Thistle
- Sagebrush
- Scale
September
Prominent weed pollen:
- Cocklebur
- Ragweed
- Sagebrush
October, November & December
While you aren’t dealing with outdoor allergies this time of year, don’t forget about other environmental allergens that may be causing your allergies to act up. These are:
- Dust mite
- Pet dander
- Mold
Allergy drops
Therapy treats the cause – not just symptoms
The goal of allergy drops is to train your immune system to stop reacting to what you’re allergic to. And you can take allergy drops in the convenience of your home or wherever you are. The result?
Reduce or eliminate need for allergy medications
Reduce or eliminate related medical visits & procedures
Save money long-term
Feel better and participate in life with less lost time from work & play
Treat the cause of your allergies with safe, pain-free, and effective allergy drops.
Related reading
Allergy drops treat a wide variety of allergies and related conditions.
External resource
Check out pollen & mold levels through the National Allergy Bureau.
Pollen calendars
Other regions
Southeast
Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, Virginia & West Virginia
View pollen calendarAlaska
View pollen calendarSouthwest
Arizona, California, Nevada & Utah
View pollen calendarSouth Central
Arkansas, Colorado, Kansas, Louisiana, New Mexico, Oklahoma, Texas
View pollen calendarNortheast
Connecticut, Delaware, Indiana, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island & Vermont
View pollen calendarMidwest
Illinois, Iowa, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, Wisconsin, and Wyoming
View pollen calendar
Next step
Questions? We are here to help.
Call (866) 793-1680 or send us a message.