When day lengths are short and flowers are desired, provide 4 hour night interruption. The bright reddish-pink petals of its huge flowers are held flat as they radiate. Its prominent, dark orange central cones are surrounded by larger (to 7 inches across) and more horizontal, reddish-pink, ray petals than the species. Day lengths less than 12 or more than 16 hours will tend to keep the plants in a vegetative state. Magnus is a distinctive, vigorous and large growing cone flower cultivar. ‘Magnus’ purple coneflower has vibrant, daisy-like flowers that bloom from midsummer into early autumn. Sumagic applied as a drench at 1 ppm works also works well.Įchinacea are considered intermediate day plants, requiring 12 to 16 hours of day length to flower. Discontinue lighting once the plants begin to grow.ī-Nine at 2500 ppm or Sumagic at 5 ppm works well to control overall height. Plants should never be allowed to sit in excess water.īecause night interruption lighting will cause plants to stretch, make your first growth regulator applications before lighting begins and apply again two weeks after lighting begins. Overwatering may result in plants that grow more slowly in containers and are more susceptible to disease. Once they have been transplanted and are actively growing, it is important that they are not overwatered. Just before transplanting, make sure the plugs are well watered. Keep plugs moist until they are ready to transplant. To get the plants to bulk up before winter, increase their day length and do not allow them to flower. One of the most notable signs of Aster Yellows is deformed flowers. Affected plants generally show yellowing of the leaves, reddening, and stunting in the early stages of disease development. Echinacea are susceptible to Aster Yellows disease, which is caused by a phytoplasma transmitted by the six-spotted (aster) leafhopper. Echinacea purpurea Magnus Named 1998 Perennial Plant of the Year A well-behaved plant with bold six-inch wide, magenta-rose flowers petals are horizontal. If conditions are favorable they can be susceptible to Botrytis, Rhizoctonia and Pythium. Many of these insects carry plant viruses that can be transmitted to Echinacea. Scout for whitefly, aphids, thrips and many types of caterpillars. An 11-14 week cold period will increase the number of flowers and overall quality of Echinacea. Use slightly acidic soil with an EC of 1.0-2.6 using the pour through method for best results.Ĭold beneficial. This often leads to increased incidences of crown and root rots and a general decline in plant vigor. Echinacea DO NOT like to be over fertilized when growing in containers. Grower's Corner Grower's Corner Grower's CornerĪpply 100-200 N ppm of a standard water soluble fertilizer every 7-14 days once plants begin growing.Proven Winners ® Proven Winners ® Proven Winners ®.
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