yUCCA, AND SIBERIAN iRISES - Knowledgebase Question

kalamazoo, MI
Question by dfgquilter
May 12, 2010
HI, When is a good time to transplant a varigated yucca? It is about 2 feet wide.

My Siberian Irises don't do much at all. I have large groups but only get a few blossoms. What do they need? What soil, fertilizer?
How much sun? Is it possible that I planted them too deep or doesnt that matter?
Please help! thanks, Dorian

Answer from NGA
May 12, 2010


Now is a good time to dig and divide, or dig and move your yucca. If your Siberian Irises are not blooming well, they may be overcrowded. They like full sunshine and a little elbow room so they don't have to compete for moisture and nutrients. I'd dig and move them, planting the rhizomes 1-3 inches deep. You can feed them each spring with a 5-10-10 general purpose fertilizer. Best wishes with your plants!

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