Home Orchard Society Scion Exchange 3.19.17

Today the Portland area Home Orchard Society had a scion exchange / propagation fair event in Clackamas, Oregon. I helped some with the set up yesterday, and again helped a bit with the event today. It was a lot of fun. Lots of people, especially home orchard nerds like me. I brought some handfuls of scion from my own trees - mostly the persimmons - to add to the already massive amounts. Naturally, now I have some more grafting to do, and did that this afternoon. I'll list the scions later.

2017 Home Orchard Society Propagation Fair.  3.19.17

Planting an Echinacea seedling. 3.8.17

Echinacea seedling at about 5  months.  3.8.17

I have several Echinacea seedlings growing in cut - off plastic milk cartons.  I haven't found much guidance as to how well they do here in the wet Northwest.  Plus, I read that rabbits like them.  I planted this one in a vegetable garden bed today, as a test run.  I'm tired of protecting things from rabbits, voles, and deer, so I left it unprotected to see what happens.

Coppicing Buddleia. 3.8.17

Buddleia hybrid "Blueberry Cobbler" before coppicing.

Buddleias after coppicing.

In late 2012 / early 2013, I planted a row of hybrid Buddleia. I was diligent and bought the varieties that are approved by the state of Oregon as non-invasive inter-generic sterile hybrids.  These had advertised final heights of around 4 to 6 feet tall.  These were mainly "Blueberry Cobbler", and "Peach Cobbler"  but I also added "Miss Ruby" and "Miss Molly", a different series with a more red coloration.   Later I also planted the "Flutterby Vanilla" hybrid, and "Yellow Honeycomb", although planted in the row with the other established and vigorous shrubs, they didn't have much chance to grow.  I think "Yellow Honeycomb" survived and bloomed this year, but was mostly overshadowed by the very nearby and gigantic "Peach Cobbler."

I know that buddleias are controversial, partly due to invasive potential, and partly because they serve as nectar sources, but not leaf sources, for butterflies.  I planted them because these were approved by the most restrictive state, as sterile / noninvasive.  I had other goals, deer resistance, rapid growth, very dry tolerant, long blooming sources of nectar for beneficial insects and hummingbirds.  Butterflies have many other plants in my yard, to lay eggs on and make cocoons, if they so choose.

As it turned out, the Flutterby Grande (Peach Cobbler, Blueberry Cobbler) were way too vigorous.  Instead of 4 to 6 feet, they grew to around 15 feet tall so far.  There doesn't seem to be an end.  I wonder if they will become shade trees.  The bushes have similar width.  As for the flowers, "Peach Cobbler" was fairly pretty, but "Blueberry Cobbler" was downright ugly.  I have prettier weeds.  The flowers had a faded Kodachrome appearance, not a hint of blueberry blue.  For both, as the individual florets open on the raceme, they looks nice at first, but then the older florets turn brown and dry out, long before the last ones open.  Then the brown dried racemes stay on the bush until the next year, unless cut off.  The look is sad and messy.  The Miss Molly variety is not as large, reaching 5 or 6 feet, and the racemes are shorter, and are at a height that is easier to deadhead.  I mix up the Miss Ruby and Miss Molly varieties, I have both but they are so similar I can't tell the difference.  One might be a little more compact than the other.

I rarely saw a bumblebee on these flowers, never saw a honeybee, and rarely saw a hummingbird.  There were occasional butterflies.   Deer don't touch them.  As far as I could tell, they don't even taste them.  I kept them partly for privacy and as a windbreak, and also because I didn't have the energy to cut them down.

This winter, I decided I would keep them, but coppice them for better control.  Coppicing is a fairly standard way to manage rangy Buddleias.  They bloom on new growth, and theoretically will put on several feet of growth before blooming, but unlikely to grow more than 6 feet, if that.  I'm not certain about that.

So, as of today, all of the hybrid buddleias are oppiced, all trunks cut back to about one foot tall.

I can't say that I recommend the "Cobbler" types at all, although "Peach Cobbler" blossoms can be pretty at first.  Definitely not the "Blueberry Cobbler" unless you want to grow a special "ugly garden" to make people feel depressed.  We will see if the "Vanilla" or the "Honeycomb" varieties do better now that the others are so severely cut back.  "Miss" whoever - "Molly" or "Ruby" - is nice, doesn't grow nearly as big, and the flowers stay in range for dead heading and have less of the dried ugly appearance of the "Cobbler" types.  My neighbors have admired those.  I think they have a place, and I do like them.  Note, I also have the variety "Low and Behold Blue Chip", which does stay very compact, around 3 to 4 feet tall with almost no pruning, and bees do like those flowers.  I do like that one as well.

Now I need to figure out what to do with all of that pruned brush.  Some are nice straight, long sticks, might be good for garden stakes.

Edit 2/4/2020:  Now I'm trying to completely remove this row of buddleias.  They are too rangy, too vigorous, and really just ugly.  The Miss Ruby and is Molly are OK and we'll keep the ones that we have planted in other locations. 

Kitchen Garden. Planting Onions Outdoors. 3.8.17

This is a progress report and the start of a garden experiment at the same time.  As for the progress report, the onion seeds that I planted earlier have had mixed success.  A few days ago I set out the first batch of Ailsa Craig.  The white globe and red globe seedlings had poor germination and died quickly, leaving few survivors.   The Patterson hybrids for long term keeping actually had good germination and are looking good, but I think they are not yet sturdy enough for outdoor life.

I wasn't confident about the seedlings that I started, and the sets looked crummy, so when I was at a nursery this week, I bought a bundle of plants.  They were cheap, it won't break the bank.  However, I did not initially want to go that route.

Here is the experiment.  In the same garden bed, I have a row of sets, a row of plants that I grew from seeds, and 2 rows of plants that were bought as plants.  It's not a real science experiment because they are not the same variety, but then I'm not going to publish in a science journal anyway.

As the other seedlings start to look better, I'll plant them in the outside bed too.  We eat about one onion daily, and some are sold as long-keepers, so maybe there will be enough for a 9 month supply.  Maybe not.

About Chestnut Trees. 3.5.17

Source:  Athens Science Observer.

Chestnut trees have been part of agriculture for centuries, native to Asia, North America, and Europe.  The American Chestnut trees dominated forests in the American Northeast and Appalacia, some eliciting the same sense of awe and wonder of the West coast's redwoods.  The trees were the keystone species, providing nuts for wildlife and humans.  Our generation does not remember them, because they were wiped out by chestnut blight during the first half of the 20th century.  Of the billions of trees that died, a few appeared to have genetic resistance to chestnut blight, and are part of the source for new trees being planted to begin restoration of the species.  Sources of new strains of blight resistant, or blight tolerant, chestnut trees include, progeny of the American chestnut trees that survived; hybrids with resistant Asian species, and their progeny via selected breeding, and genetic engineering.  There is also a virus disease that attacks the blight fungus, and may prove helpful.

In addition to the American Chestnut (Castanea dentata) There are 8 or 9 species, including species from Europe (Castanea sativa), Japan and South Korea  (Castanea crenata), and several from China as well as other American species.  Only the Asian species, which evolved in association with chestnut blight, are widely resistant to the disease.  Some species of chestnut make for trees in much smaller sizes, compared to American chestnut, although there are exceptions, including the massive millenia-old "One Hundred Horse Chestnut Tree" on Sicily, which is not a horse chestnut but rather a chestnut tree that could shelter horses.   The European and Asian chestnuts have larger nuts, compared to American chestnut, but the American chestnut is reported to have the best flavor.

Source:  Phys.org

As a food crop, chestnuts are more like a grain, or potato, compared to most other nuts.  That comparison is based on flavor and the much higher amount of carbohydrates, with much less fat and protein.  Depending on the variety, they are starchy, sweet, and a good source of carbohydrates.  Chestnuts are rich in folic acid, minerals, and mono-unsaturated fats.  Because they were lost to the American psyche, we don't have a lot of tradition with chestnuts in our diet, but in Asia and Europe chestnuts are a staple.  Chinese chestnuts are making a foray into the European market after European chestnuts trees are also seeing damage from a predatory wasp, also from Asia.  US chestnut production is only 1% of world production, but may grow as Americans learn to enjoy them.   One barrier is that chestnuts don't keep as well as other nuts, lose flavor or develop off flavor in storage.  Therefore, like many foods, home grown or local chestnuts are more likely to taste best.

Image source:  Vintageprintable.com

After I cleared a few thousand feet of blackberry brambles from my property, I was left with a significant amount of barren soil.  I've broadcast grass seed to hold soil and allow mowing, to prevent return of blackberries.  However, this area is ideal for addition of potentially large - growing trees.  I wanted trees that might bear in my lifetime, preferably within 5 years.  It's said that we plant trees for those who follow, but my experience is that a lot of people just love cutting trees down, so I want to experience some of what I plant regardless of what future people do.

Walnuts, butternuts, hickories, pecans may all produce nuts here, but take longer to bear, compared to chestnuts.  Filberts bear younger, have more compact, bushy trees.  I have a few filbert trees, including some wild ones near the cleared area.

With a permaculture bent, I decided to add some chestnut trees.  Grafted hybrids may start bearing in 3 to 5 years, and seedlings may start bearing a few years later.  They are fast growing.  I did not see estimates of growth per year, but I suspect in the more than three foot-per-year category, similar to some maples.  I've had some maples put on 5 feet in a year, so possibly that much.

Source:  German botanical image, 1903.

I already reviewed some considerations in a post yesterday, but here are some again, and some additional thoughts.

1.  At least two different pollen-bearing varieties are needed, if you want chestnuts.   They can not be the same variety.  Each will provide pollen for the other.
2.  Watch for pollen-sterile or pollen-free varieties, which will not pollenize another tree.  OK if they are just a shade tree, or if you have several varieties.  But I would not plant one as one of a pair.
3.  Chestnut trees are large, in the shade tree category.  Websites generally state they need to be at least 20 feet apart, some stating 30 feet, but no more than 50 to 100 feet from the nearest pollen producing chestnut.  I would not worry about the redwood size trees in photos.  Most modern ones will never grow any where near that big, although some of the newer American chestnut trees might one day rival their ancestors.
4.  Even in blight free areas, there is risk for future blight infestation.  I prefer choosing disease resistant cultivars for what protection can be given for future generations.  Most will either be an Asian species or hybrid with Asian species
5.  Grafted varieties will bear sooner, and are more predictable as far a s quality, compared to seedlings.    Since these are a long-term commitment, I think it's wise for the average person to invest in the grafted varieties for your pair of trees, then possibly a seedling if you want another wild card tree.
6.  Deer and rodents can kill the young trees, same as for many other species.  They will need a vole-sleeve of hardware cloth for a few years, and a deer cage until too tall for deer browsing.

Possibly one day I will be able to follow up this blog post with photos of my growing trees, and later with photos and descriptions of the chestnuts.