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Sprout-free Compost - A question came into Ask Gardenerd this week: “Is there any way to keep my compost seed-free so that I don't have myriad volunteers wherever I use my wonderful compost -- Joy?” Sure, Joy, there is definitely a way. It’s called Active Batch Thermal composting. It’s when you build a pile with all the ingredients all at once, rather than slowly adding ingredients over time. A thermal pile gains temperatures up to 160°. Weed seeds and seeds in general die at about 130°. Your cold compost pile will never get that hot, so if you can’t do Active Batch Thermal composting, you might try scooping seeds out of your tomatoes, melons, cucumbers, etc. before adding them to your compost bin. Or just enjoy the magic that volunteers offer. They almost always outperform cultivated plants. We call them Nature’s Slap in the Face for a good reason. They don’t need us to thrive. Find more info about Active Batch Thermal Composting here.