If a cane on one of your roses has gone from healthy green to a sunken, discolored patch that just keeps spreading and pruning past it doesn’t seem to stop anything. You’re probably not looking at frost damage or a bad pruning cut healing badly. You’re looking at rose cane canker, and it’s one of
Rose Cane Canker: Why Your Rose Stems Are Dying Back and What Actually Works Read More »
For something I pour under my roses several times a season, Metarhizium gets very little attention. Everyone has heard of neem oil. Almost nobody outside of commercial greenhouses talks about a green soil fungus that hunts insects for a living. And yet my inbox keeps filling with the same handful of questions about it, so
Grey mold on roses, caused by Botrytis cinerea, thrives in cool, damp conditions. Remove affected flowers and leaves immediately, improve air circulation, and apply an organic fungicide. Proper spacing and avoiding overhead watering are key to preventing further outbreaks and protecting your rose blooms. Botrytis cinerea is the organism behind it, and unlike powdery mildew,
How to Treat Grey Mold on Roses: A Complete Guide Read More »
Honestly, it took me a while to get here. Like many gardeners, I used to grab those NPK packets off the shelf — nitrogen, phosphorus, potassium. I figured: if it says “for roses,” it must be good. But then I started noticing things. The soil was hardening and becoming lifeless. Fewer earthworms. And my roses?
Rose Biostimulants: How I Ditched Chemicals and Found My Path to Lush Blooms Read More »
I’ll be honest about how this one started: a reader in my Facebook group asked whether the little brown bottle of “Bacillus subtilis” she’d bought for her tomatoes would also help her roses, and I realized I’d never actually written down, in one place, what I tell people about it. I use it constantly. I
Bacillus subtilis on Roses: What It Does and How to Apply It Read More »
Ever notice how nobody prunes the trees in a forest? Nobody fertilizes them, nobody sprays for bugs, and there’s no army of gardeners out there weeding and worrying, and yet everything grows in thick, tangled, ridiculous abundance. Nature handles it.I’ve thought about that a lot since the day I crouched down in a forest outside
Someone posted in my Facebook group last week with a photo: half her rose bush had gone yellow, and she was already reaching for a fungicide. “Is this the black spot everyone talks about?” It wasn’t. It was tap water and a pot with no drainage hole. Two completely different roses, two completely different problems
Someone in my Facebook group posted a photo last week: a rose bush with a fat ring of wet coffee grounds heaped against the stem. The caption said “giving my girls a treat.” Plenty of people liked it. I hesitated before I replied, because the honest answer to whether coffee grounds are good for roses
Are Coffee Grounds Good for Roses? What the Science Actually Says Read More »
Everything rose growers actually need to know: what it is, how your bush caught it, whether to keep it, and how to care for it. Plus honest answers to the questions everyone asks.Every summer, right on schedule, it happens. A rose that looked perfectly fine in May starts pushing out leaves covered in yellow squiggles,
Rose Mosaic Virus: Yellow Patterns on Rose Leaves Explained Read More »
If you grow roses, you already know the feeling: one morning your blooms are perfect, and by the next afternoon they look like lace, ragged holes everywhere, with metallic green-and-copper beetles mating right on the petals like they own the place. Japanese beetles are one of the most frustrating rose pests in North America, and