Archive | April, 2014

The gall of those thistles

13 Apr


A great why to learn about a certain plant is to notice it when it isn’t growing.

Happened to notice some large galls which turned out to be plentiful on last year’s Canada thistle stems. This is a plant I have some interest in though the ground was still frozen today so I was unable to take a piece of  root home to grow in a pot. Canada thistle (Cirsium arvense) actually isn’t from Canada but arrive here from France in the 1700s. The insect which created these decorative galls isn’t originally from Canada either, they were brought into the province of New Brunswick back in the 1970s from Europe to slow down the growth of Canada thistle. I was unaware of this gall creating insect known as Urophora cardui until today and it appears it can drastically reduce the number of seeds which will develop and be available for me to pick latter in the year.


Canada thistle grows incredibly quick, especially its root system and its roots and the young stems and leafstalks are edible, so I suspect it could be a good perennial plant to grow as an annual in the house during winter. I haven’t eaten this plant for a few decades mostly over concern with nitrates in this deep rooted perennial and some mention of some thistles being carcinogenic. With this in mind I am much more comfortable growing it as an annual in a pot or spreading fresh seed in a selected isolated areas.


In the wild supposedly 14 hours of sunlight triggers new stem growth and if I read correctly the newly emerging Urophora cardui from their last year galls enter the new Canada thistle stems when they reach about 12 inches high which gives me a little time to harvest some fresh stems as our day light hour are on the increase. Of course an insect that only eats Canada thistle is not something I’m overly concerned with consuming anyhow, though I’ll focus on the new young stems.


I’m hoping to find a spot in my area where these galls are not quite as common on the Canada thistle as some seed collecting would be nice from the female plants when ready.  Even with both Urophora cardui and myself wanting to eat Canada thistle the plant has no worries as it has been a very common plant throughout much of Eurasia and N.A. and should remain so. ciao


For ages

2 Apr


It has been awhile since I’ve entered any post on foraging, so I decided to show a couple photos to explain my absence. The above photo is from my front step looking out across the street at 6.30 AM this morning. With all the beautiful snow around I’ve had a great opportunity to plan which new wild foods to try this year and I’ve become quite interested in gathering some of the edible grasses and sedges in my local area in coming months.


Here is a photo of one of the few grasses still visible from last years growth and I collected these along the edge of a highway a few days ago just to check out which member of the Phragmites family they were.  Phragmites is the largest grass in Canada’s maritime provinces and these grass stems here were sticking out a few feet above a 4 ft bank of snow. Now I have these culms stuck in the snow beside my shed to remind me of the ground cozily blanketed below my feet and the many wonders preparing to soon arise. ciao