| Flower | Meaning |
| Magnolia | Nobility |
| Marigold | Cruelty; Grief; Jealousy |
| Mistletoe | Kiss me; Affection; To Surmount Difficulties; Sacred Plant of India; Magic Plant of the Druids |
| Monkshood | Beware; A Deadly Foe is Near |
| Moss | Maternal Love; Charity |
| Myrtle | Love; Hebrew Emblem of Marriage |
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