Yellow Island Time: Mid-April Flower Report

Written and Photographed by Phil Green, Yellow Island Steward

It's been over a month since the last post and a lot has changed. The early individual blooms of fawn lilies (Erythronum oregonum) exploded into large patches of stunning white flowers. This species peaked around April 1 and as of today there are just scattered blooms on the north side of the island. Shooting star, (Dodecatheon pulchellum), also peaked around April 1 and is now mostly going to seed. This is a normal bloom pattern for fawn lilies and shooting stars.

Harsh paintbrush (Castilleja hispida), western buttercup (Ranunculus occidentalis), and chocolate lilies (Fritillaria lanceolata) were also blooming a month ago. However, these species have persisted and now cover large areas of the island with their reds, yellows and shades of brown. Again, this is a normal pattern for these species which should persist into May.

One species that isn't showing a normal pattern is great camas (Camasia leichtlinii). Camas first bloomed March 24. The earliest bloom date over 30 years of record keeping was March 10, the latest April 20, with an average of April 4. March 24 is well within the normal range.  However, instead of showing a normal bell shaped curve of a gradually increasing bloom, peaking in late April, within ten days camas covered the island. Already many are starting to go to seed. We have had a stretch of unseasonably warm weather so this may be why.

One other major surprise was the first bloom on Nootka rose (Rosa nutkana). The average for Nootka rose is May 10. The previous earliest date was April 26. This year it was a week earlier, April 19. It should also be noted that Nootka rose was one of the species fooled last fall. About a quarter of the roses bloomed in the fall of 2015 due to unseasonably warm weather.

People always ask, well, how does this compare to other years. All years are different but for me, this was/is another five star year. Spectacular! Here's a sampling from the past week. Enjoy!
 

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