Abutilon seeds germinate best in temperatures around 70F. Barely cover 3 – 4 seeds per plant with quality soil and keep abutilon seeds moist until germination. Germination of the flower seeds usually occurs in 3 – 10 days.Click to see full answer. Similarly one may ask, how do you propagate Abutilon? Cutting Propagation The cuttings root best in spring before the current season’s growth hardens and matures. Take a 4- to 6-inch portion from the tip of a non-blooming stem and strip off all the lower leaves. Dust the stem with rooting hormone, if you wish, then stick it into a pot of moistened soil.Beside above, how do you care for an Abutilon plant? The plant likes moist soil, but never let abutilon become soggy or waterlogged. You can feed flowering maple every month during the growing season, or use a very dilute solution every other week. Cut back branches carefully to shape the plant in early spring or late fall. Keeping this in view, how do you grow Chinese lanterns from seed? Sowing Chinese Lantern Seeds Indoors Sow indoors 6 weeks before the last frost. Sow ¼ inch deep in seed-starting formula. Keep the soil moist at 70-75 degrees F. Seedlings emerge in 15-21 days. How big does a flowering maple get?The best-known flowering maples. Upright, arching growth to 410 feet tall, with equal spread. Broad, maple-like leaves can reach 8 inches across; drooping, bell-like, 2- to 3 inches flowers come in white, yellow, pink, or red.