Soil pH Testers-Are They Accurate?

Every gardening book and web site recommends that you get your soil tested and one of the main tests is for pH. You can get a professional lab to do the test, or you could use one of the convenient soil pH test kits made for gardeners. ย How useful and accurate are the results of such tests? It is more complicated than you think. Letโ€™s have a close look.

soil pH tester
soil pH test kit – colored dyes, source: BBC Gardening Blog

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Seed Dormancy – What is it and How do You Break it?

In my previous post, Plant Seed Basics, I described the germination process in very general terms. A seed lands on the ground, absorbs water, and germinates. It is all so simple – or is it? In this post I will have a closer look at something called seed dormancy. What causes it and how do you overcome it so the seed germinates.

Seed dormancy, Germinating Fritillaria seed, by Robert Pavlis
Seed dormancy – germinating Fritillaria seed, by Robert Pavlis.ย  Notice the radicle growing through the seed and emerging from the bottom of the seed.

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Best Way to Water Indoor Plants

Watering indoor plants seems to be one of the most complicated things for new gardeners to learn, which is surprising since it’s really simple. The problem is that a lot of the information out there makes the subject complicated and it gives new gardeners bad advice.

In this post I am going to give you some simple rules that work for any houseplant and makes watering easy. Iโ€™ll help you decide when to water and show you the best way to do it.

Girls water houseplant
Watering Indoor Plants – Watering Houseplants

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How to Grow and Care for a Citronella Plant (Mosquito Plant)

Citronella is a great plant for the garden, containers, and window boxes and it even makes a good houseplant. It has lots of pink blooms and interesting lacy leaves. Its best feature is the lemony scent that fills the night air. It is easy to grow from seed or cuttings and can be overwintered from year to year. Here’s everything you need to know about growing citronella plants.

closeup view of citronella plant showing ferny leaves
Citronella Plant (Pelargonium citrosum), source: Rae Allen

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Podcast With Joe Gardener – Microbe Science for Gardeners

I had the pleasure of being a guest on the Joe Gardener Show Podcast where we discussed my new book, Microbe Science for Gardeners. 

Join Joe and myself as we discuss interesting things about microbes and their interaction with plants. 

Listen to the Joe Gardener podcast now

 

Click to see other podcasts

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Do Wasps Sleep at Night?

Wasps can be dangerous during the day, but what about at night? Do they sleep? Do they come out of the nest after dark? Are you less likely to get stung at this time of day? A better understanding of wasp activity at night will help you deal with nests.

ceramic figure, human head and body of a wasp
Let Sleeping Wasps Lie by Amber Aguirre, 2013 NICHE Awards Winner in ceramics

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Mini-Forest Revolution, by Hannah Lewis – Book Review

Mini-forests are popping up all over the world and even my own town planted one in this past summer. I wanted to learn more about this new trend and the book, Mini-Forest Revolution: Using the Miyawaki Method to Rapidly Rewild the World, by Hannah Lewis, (Amazon affiliate link) seemed like a good place to start. It describes a movement to restore biodiversity by transforming empty spaces and degraded land into mini-forests. Here is a review of the book.

 

hand holding the book titled Mini-Forest Revolution
Mini-Forest Revolution by Hannah Lewis, source Topia

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Rock Dust – Can It Remineralize the Earth?

Rock dust is a very popular soil additive especially with organic and permaculture groups. It is full of nutrients and it is claimed that adding it to soil will replenish all of the nutrients that agriculture has taken out of our soil. This process of adding nutrients back to soil is known as mineralization.

This seems to make a lot of sense. We remove food from the land, and the food contains lots of minerals. At some point we need to put them back into the soil or else we will have soil that won’t grow anything. This seems logical but is it really true? Is our soil losing fertility? If it is deficient, can rock dust be used to solve the problem? How effective is rock dust and which type of rock works the best? Time to crush some myths about rock dust.

Azomite - a common brand of rock dust
Azomite – a common brand of rock dust

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Mycorrhizal Fungi – The Latest Scientific News

I had the pleasure of listening to a seminar given by Dr. Hafiz Maherali, Director of the University of Guelph Phytotron, about the latest mycorrhizal fungi (mycorrhizae) news. This post summarizes some of this fascinating new information about this important group of organisms that every gardener should understand.

white fungus growing on a log
News about mycorrhizae, source: julie burgher

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Myths About Using Fall Leaves in the Garden

Fall leaves are a great resource for the garden, but there are some problems with the way they are used. Should they be left on the lawn? Should you compost infected leaves, like maples with black spots?ย  Will too many leaves kill your plants? Do leaves rob soil of nitrogen? Let’s have a look at these and other myths.

Two kids jumping into a pile of leaves
Fall leaves are a great addition to the garden. source: locates

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