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Botanical NameAmaranthus tricolor
Learning Download: How to Grow Amaranthus
Amaranthus is an annual plant that can reach 5 feet in height and has colorful flowers or leaves, depending on the variety. They are often used similar to annual grasses, such as adding them as accents to other pots or garden beds.
Before Planting: Since Amaranthus is not frost tolerant, it is suggested to begin the seeds indoors eight weeks before the last frost.
Planting: Plant seeds 1/2 inch deep and cover lightly with soil. Space them 10 inches apart, but they can be closer as Amaranthus tolerates crowding well and looks good when grown in clumps.
Watering: Only water once or twice a week during dry periods.
Fertilizer: Fertilize immediately after planting and then every six weeks with a 10-10-10 granular fertilizer.
Days to Maturity: Amaranthus flowers are long lasting and blooms will last until frost begins in the fall.
Harvesting: Trim bloom stalks and hang them upside down in a well-ventilated area to dry. The flowers will hold their color even after drying.
Tips: Discourage the growth of weeds by applying mulch around the plant’s base.
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