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Canadian Pot Mum Hardiness in Maryland

Chrysanthemums are hardy Zones 5-9. Florist mums (pot mums) are less hardy (Zone 7+). In Maryland (Zones 6-7), plant in ground, mulch heavily with cypress bark, water weekly, fertilize 12-12-12. Don't fertilize winter. Acclimate before moving out in spring.

Perennials: Keeping a Sentimental Rose in a Pot Long-Term: Zone 7 Strategy; Miniature Cyclamen in 2-Inch Pot: Water Often, Don't Repot Yet; Maranta (Prayer Plant) Pot Size and Heat Tolerance; When and How to Repot a ZZ Plant (Zamioculcas zamiifolia); Repotting Your Beaucarnea: Pot Size, Soil, and Care Tips; Overwintering Calla Lily in Garage (SE Michigan): Only If Frost-Free; Repotting Fragile Burro's Tail (Sedum morganianum): The "Pot-in-Pot" Trick; Overwintering Alstroemeria (Peruvian Lily) in Missouri: Pot It, Don't Plant It; Elephant Foot Plant (Beaucarnea recurvata): Care for a Rescued Ponytail Palm; Chrysanthemum (Pot Mum): Indoor Care & Growing Guide

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