OK, it’s the middle of December so I get to indulge my passion for Christmas trees. One of the most interesting projects I’ve gotten to work on during my time at Michigan State is a study to look at alternative species of firs (Abies spp) for Christmas trees and well as for landscape conifers. Firs are fascinating trees that are distributed throughout temperate regions of the northern hemisphere. There are about 50 species, many of which are important for timber, landscaping or Christmas trees.… Continue reading this article “What fir?”
Month: December 2010
Green mystery revealed
Another easy one, or else you guys are just too smart! It is indeed a mistletoe. Gold stars to KB, John, Kandi, and Deb, and an extra point to Jane for identifying the genus (Phoradendron). I believe it’s Phoradendron bolleanum, an introduced species which parasitizes Cupressus arizonica (Arizona cypress).
In any case, I chose this puzzle plant in keeping with the holiday season! Thanks for playing!
Little green mystery
Yet another "what am I?" post for Friday. Any takers on this one?
Have a nice weekend – answer on Monday!
Of Worms and Fertilizers
Today I’m going to write about fertilizers and worms. The purpose of this post is not to encourage you to use fertilizers. I agree wholeheartedly with Linda’s post – we don’t need many of the fertilizers which we’re using. Still, it’s important to know the facts about anything that you’re doing (or not doing) to and for your garden, and to do them (or not do them) for the right reasons. With that in mind, I’ve been reading about worms and fertilizers for the last few days and wanted to let all of you know the basics of what I’ve been reading, because it is somewhat contrary to what many gardeners believe.… Continue reading this article “Of Worms and Fertilizers”
Fertilizers, crops and landscapes
Last week Jeff wrote about the dangers of using “balanced” fertilizers, especially in reference to phosphorus content. Comments quickly followed about using fertilizers in many situations – on farms, in container plants, on trees – and so on. One of the latest comments came from Nick and began “I don’t usually recommend fertilizer for perennials or woody plants to consumers. In most cases they aren’t needed.” And this leads into today’s topic.
Many of the horticultural practices we use in our gardens and landscapes have, unfortunately, been derived from agricultural crop production. … Continue reading this article “Fertilizers, crops and landscapes”
Cirque du Poinsettia
Last week I brought up the seasonal topic of poinsettias. There are so many cultivars to start with, it’ll make your head spin. Twenty five new varieties were introduced in 2009 alone. One
of the major breeders lists 36 RED varieties.
But for painting and glitter, growers
and retailers stick to “white” (actually a very pale yellow to cream –
see last week’s ‘Polar Bear’ post) or possibly light pink. The trend had a good start in Europe and crossed the pond in 2004.… Continue reading this article “Cirque du Poinsettia”
Saving your ash
My earlier post regarding plans to replace the monoculture of ash trees at the Gateway Arch Monument in St. Louis, MO with a monoculture of Lindens prompted a question about options for treating ash trees for emerald ash borer. This is a complex topic so I wanted make sure I had time and space to respond completely.
First, the best and most current source of information regarding treatments for EAB is the Multi-state bulletin “Insecticide Options for Protecting Ash Trees from Emerald Ash Borer” which is available as a full-color .pdf… Continue reading this article “Saving your ash”
Friday puzzle unrolled
I knew this one was pretty easy, but I have my reasons (below). Gold stars to KB, Jim, John, and Dave for correctly identifying rolls of sod (and they do seem thin, Peter):
Yes, sod. I dislike instant lawns; they never look good for very long, at least in my part of the country. And getting rid of sod (as we have in our landscape) is a nightmare with that *%&$^ plastic mesh in which the grass is embedded. … Continue reading this article “Friday puzzle unrolled”
Friday’s puzzle
Here’s an early holiday gift – a stack of yummy beef and alfalfa sprout wraps:
Or is it?
Answer Monday!
Balanced fertilizers are usually out of balance
I’m in the midst of grading papers for my nursery management class, and something that I’m running across is an incredible number of papers where the students are recommending balanced fertilizers. Why are they doing that? Or maybe an even better question is, what is a balanced fertilizer? A balanced fertilizer is a fertilizer which has three numbers which are about the same, like a 10-10-10. The problem with balanced fertilizers is that they are much higher in phosphorus than what most plants need — at least in relation to the amount of nitrogen and potassium which plants need. … Continue reading this article “Balanced fertilizers are usually out of balance”