Plants and Bees of Pacific Northwest 

Main site (last update 2/14/25)

1. A Year with Flowers and Bees

2. Lists of Honey Bee Friendly Flowers

• Seasonal lists: Best, winter, SpringI, SpringII, SummerI, SumerII, Fall, All (seasonal lists combined)

3. Pollen Microscopy for Beekeepers

• Flower pollen library for Pacific Northwest

• Common bee pollen (North America)

• Common bee pollen (my hives)

  • Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec

• Melissopalynology - pollen analysis of honey

• Miscellaneous findings through pollen microscopy

4. Bumble Bee 101

• Black-tailed bumble bee (Bombus melanopygus)

• California bumble bee (Bombus californicus) aka Yellow bumble bee (Bombus fervidus sbsp. californicus)

• Common eastern bumble bee (Bombus impatiens)

• Cuckoo bumble bees (Bombus insularis and Bombus flavidus)

• Fuzzy-horned bumble bee (Bombus mixtus)

• Sitka bumble bee (Bombus sitkensis)

• Two-form bumble bee (Bombus bifarius)

• Western bumble bee (Bombus occidentalis)

• Yellow faced group; yellow-faced bumble bee (Bombus vosnesenskii) and obscure bumble bee (Bombus caliginosus)

• Yellow head bumble bee (Bombus flavifrons)

5. Native plants

External links

1. All plant list (Google spread sheet download)

2. Honey bees foraging on various flowers (Google Photo Albums): January, February, March, April, May, June, July, August, September, October, November-December

3. Additional bumble bee photos (Google Photo Albums)

• Bombus californicus (queen, worker, drone)

• Bombus flavifrons (queen, worker, drone)

• Bombus melanopygus (queen, worker, drone)

• Bombus mixtus (queen, worker, drone)

• Bombus vosnesenskii (queen, worker, drone)

4. Pollen microscopy library (Google Photo Albums): go to Flower pollen library for Pacific Northwest

5. My old website (Last update 1/21/24)