Couverture de Ep. 43. Rosemary vs. Lavender

Ep. 43. Rosemary vs. Lavender

Ep. 43. Rosemary vs. Lavender

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 In this versus episode, we bring you two of the nicest-smelling and slowest-growing plants in the garden. Sean gets us started with rosemary, which is known to science as Salvia rosemarinus (though some botanists may be surprised to hear that!). We learn how to grow this Mediterranean plant and how to help it handle a northern winter, even if that means bringing it indoors. One option, of course, is to take softwood or hardwood cuttings and root them for next year, and Sean gives us a crash course in doing that before moving on to the fascinating research being done on rosemary and cognition. In the second half, Erin narrows down the many species and cultivars of lavender to just two: Lavandula angustifolia, often called English Lavender or “true lavender,” and Lavandula X Intermedia, a hybrid you may see marketed as “lavandin.” One is good to eat, and the other is great for toiletries. How do you know which is which? Erin has the intel. Just don’t ask her to talk about French lavender. You might be in for a plant rant. You’re also in for some fun facts about growing lavender at home, becoming a commercial lavender grower in Ontario, and what historical humans and modern scientists think it’s good for. We wrap up with a busted myth: what does lavender have to do with King Tut? It’s not what you think! Who won the plant face-off? You decide! Email us, tag us on social media, or pipe up in our friendly Discord server to let us know who you thought made their plant the most interesting. Will YOU be growing lavender or rosemary this year? The Ontario Garden Events Calendar It’s live! Check it out at https://plantsalwayswin.com/events/ Comments? Feedback? Want your garden question to be featured in a future Q&A segment? Email us, reach out over social media, or get Q&A priority by supporting us on Patreon. Discord: https://discord.gg/K6wF9dY4JaBluesky: @plantsalwayswin.comTikTok: @plantsalwayswinpodcastYouTube: @plantsalwayswinpodcastWebsite: www.plantsalwayswin.com CreditsWebsite Design and Illustration by Sophia Alladin Intro and Outro Music from #Uppbeat (free for Creators!): https://uppbeat.io/t/soundroll/when-my-ukulele-plays License code: GWOIMMBAS15FG6PH Citations Rosemary Plant ProfileRosmarinus officinalis L. (n.d.). USDA Plants Database. https://plants.usda.gov/plant-profile/ROOF Rosemary. (n.d.). Encyclopedia Britannica. Retrieved February 8, 2026, from https://www.britannica.com/plant/rosemary Rosemary and cognitionKamdar, D. (2025). Rosemary has been linked to better memory, lower anxiety and even protection from Alzheimer’s. The Conversation. https://doi.org/10.64628/ab.fu4jyy3mx Banerjee, P., Wang, Y., Carnevale, L. N., Patel, P., Raspur, C. K., Tran, N., Zhang, X., Natarajan, R., Roberts, A. J., Baran, P. S., & Lipton, S. A. (2025). DIACCA, a Pro-Drug for carnosic acid that activates the NRF2 transcriptional pathway, shows efficacy in the 5xFAD transgenic mouse model of Alzheimer’s disease. Antioxidants, 14(3), 293. https://doi.org/10.3390/antiox14030293 Herbs that can boost your mood and memory. (2026, June 2). Northumbria University. https://www.northumbria.ac.uk/about-us/news-events/news/2016/04/herbs-that-can-boost-your-mood-and-memory/ Studying Hinoki cypress oil and relaxationIkei, H., Song, C., & Miyazaki, Y. (2015). Physiological effect of olfactory stimulation by Hinoki cypress (Chamaecyparis obtusa) leaf oil. Journal of PHYSIOLOGICAL ANTHROPOLOGY, 34(1), 44. https://doi.org/10.1186/s40101-015-0082-2 Etymology of lavenderLavender – Etymology, Origin & Meaning. (n.d.). Etymonline. https://www.etymonline.com/word/lavender Growing lavender in OntarioGrowing lavender in Ontario: an introduction for prospective growers. (2023, February 22). ontario.ca. https://www.ontario.ca/page/growing-lavender-ontario-introduction-prospective-growers What people historically thought lavender was good for, and what scientists think todayCivilyte, A., Karanikola, K., & Kramer, A. (2025). From antiquity to modern hygiene: the archaeological and medicinal legacy of lavender as a promising antimicrobial agent. PubMed, 20, Doc21. https://doi.org/10.3205/dgkh000550 Medicinal uses and side effects of lavenderLavender: Overview, uses, side effects, precautions, interactions, dosing and reviews. (n.d.). https://www.webmd.com/vitamins/ai/ingredientmono-838/lavender#dosing Lavender: Usefulness and safety. (n.d.). National Center for Complementary and Integrative Health. https://www.nccih.nih.gov/health/lavender The Ontario Lavender AssociationOntario Lavender Association. (n.d.). Lavender Ontario. Lavender Ontario. https://lavenderontario.org/ History, taxonomy, and production of lavenderMcCoy, J.-A., PhD. (2022). Lavender: History, Taxonomy, and Production (J. Davis, Ed.). NC State Extension. https://newcropsorganics.ces.ncsu.edu/herb/lavender-history-taxonomy-and-production/ Timestamps 00:17 Introduction01:00 What’s Growing On? Erin at the Landscape Ontario ...
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