Did it rain enough last night to water your garden? Have you started running the sprinklers and aren’t sure if they’re running enough? Perhaps you’re not sure that new drip system you installed is doing its job. Or maybe you just want to be more efficient and careful with your water use. How can you know moisture is getting deep enough into the soil to benefit your plants. Is there an easy way to find out?… Continue reading this article ““Water, water, everywhere…”
When normal isn’t normal
You may have read in the news earlier in May that NOAA has updated their “normals” for temperature and precipitation at stations around the country. In climatology, normals are the calculated averages over a specified time period. Usually, we use a 30-year period to capture what the average weather is like in a time period that is about the length of a generation, but now NOAA is also calculating normals based on other time periods like 15 years.… Continue reading this article “When normal isn’t normal”
Rooting around – the differences between taproots and mature roots
Most of us have witnessed dicot seed germination at some point in our lives – watching the coytledons transform from seed halves to green, photosynthetic structures, while the radicle developed into the seedling root system. This seedling root – or taproot – is important to seedling survival as it buries itself in the soil to provide structural support and to give rise to fine roots for water and nutrient absorption.… Continue reading this article “Rooting around – the differences between taproots and mature roots”
Contain Yourself: Vegetable gardening in containers and small spaces
Given the growing (haha) popularity of vegetable gardening over the last several years, which has gone into overdrive during the pandemic, more and more people are looking for innovative ways to grow in all kinds of spaces. Container vegetable gardening can be as simple as popping a tomato into a bucket, but there are lots of different ways to successfully grow crops in small, mobile containers. It is possible to grow full sized crops in containers, given a large enough container and space to grow.… Continue reading this article “Contain Yourself: Vegetable gardening in containers and small spaces”
My Soil Is Crap, Part II
Last month in my blog My Soil Is Crap Part I, I tried to dispel the myth that you can diagnose soil problems by just looking at your soil. While the color of a soil does impart some diagnostic qualities, most soils are not easily analyzed without a soils test. A complete soils test will give a textural analysis including useful information about water holding capacity and a variety of chemical analyses. Soil reaction or pH is an essential component of any soil test (and is often unreliable in home soil test kits).… Continue reading this article “My Soil Is Crap, Part II”
“Have you ever seen the rain?”
If you’ve been around as long as I have, you will no doubt remember the Creedence Clearwater Revival song “Have You Ever Seen the Rain”. This week I want to talk about sensing the rain using radar and how you can use it to provide you with local rainfall information if you don’t have a rain gauge of your own.
How does radar work?
Radar is what scientists call an active sensor, because it sends out a beam of electromagnetic radiation that is reflected back to the radar if it hits something reflective like raindrops or hail (it also works on birds, insects, and cars traveling along interstates, but that’s another story).… Continue reading this article ““Have you ever seen the rain?””
Leave your lawn alone!
Nothing seems to take homeowners more time, or generate more frustration, than maintaining their lawns. In addition to mowing, fertilizing, and applying pesticides for weeds, insects, and diseases, gardeners fret about removing thatch and aerating the soil. Commercial interests have taken note and pedal various “aerifying” products like soap (cunningly described in non-soap terminology), spiked sandals, and thatching rakes. Previous posts (here and here) have addressed ways to decrease fertilizer and pesticide use.… Continue reading this article “Leave your lawn alone!”
To (direct) sow, or not to sow, that is the question: whether ’tis nobler in the garden to transplant
Most experienced gardeners will tell you what should be started indoors (or purchased) as transplants and what should be direct sown into the garden, but this can often be confusing for new gardeners. Add to the confusion the fact that some plants have a gray area when it comes to what is best, sometimes it depends on the time of year, and sometimes it depends on where you are as to whether what is possible. So if you forget to start your favorite tomato or begonia indoors in time to transplant, do you have options? … Continue reading this article “To (direct) sow, or not to sow, that is the question: whether ’tis nobler in the garden to transplant”
My Soil is Crap
My Soil is Crap! Or is it?
Over several years of teaching basic soil science to arborists, master gardeners and students something started to coalesce into a trend. If I ask my students do they have “good” soil, many say no. I have heard Master Gardeners complain their soil is terrible or that a certain soil is bad in some way. People form opinions about soil based on its color, texture, odor, or even how plants grow in it (perhaps the most diagnostic quality).… Continue reading this article “My Soil is Crap”
SUPER Thriving Lettuce?
The Garden Professors have previously written about the ubiquitous garden center product, SUPERthrive, here and here. The manufacturer claims a plethora of beneficial uses for SUPERthrive —everything from Christmas tree care to turf to hydroponics. They claim SUPERthrive will “revive stressed plants and produce abundant yields” and that it “encourages the natural building blocks that plants make for themselves when under the best conditions” thus “fortifying growth from the inside out,” but I know of no body of rigorous, peer-reviewed literature to support any of those claims (1, 2, 3, 4).… Continue reading this article “SUPER Thriving Lettuce?”