Which flower grows the fastest?
Most gardening experts agree that the marigold is the champion of fast-growing flowers. Most gardening experts agree that the marigold is the champion of fast-growing flowers. The seeds germinate in 5 to 10 days, and the plant begins to bloom after 6 to 8 weeks. The marigold is therefore the perfect flower to sow with children or for gardeners who are in a hurry or impatient!Marigold. You can bet on this bang-for-your-buck quick growing annual flowering plant. Bright blossoms of yellow, orange and mahogany that show themselves within eight weeks of sowing. For best results, plant marigold in full sun and in well-draining soil.