Silicone...like caulk or a spray? Where does one find terra cotta sealer? A friend texted me about waterglass (sodium silicate). Seems too easy?
Always looking for interesting plants for pollinators and food! Bonus points for highly, and pleasantly scented plants.
"Si hortum in bibliotheca habes, nihil deerit." [“If you have a garden and a library, you have everything you need.”] -- Marcus Tullius Cicero in Ad Familiares IX, 4, to Varro. 46 BCE
