Frost dates can help you map out a realistic planting window, but only if you treat the last frost and first frost as guides, not guarantees. With a smart sowing calendar, you can time your planting more confidently and avoid getting caught by surprise weather.
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When to Cut Back Asparagus Timing by Zone and Frost and Fern Color
Knowing when to cut back asparagus can make all the difference between a so-so patch and a thriving harvest year after year. Wait until the ferns turn yellow or brown after frost, then trim them back and mulch well to protect the crowns, reduce pests, and set the stage for bigger spears next spring.



