Little Zebra Japanese Silver Grass - Knowledgebase Question

hamburg, pa
Question by eerocky1
July 15, 2005
About Little Zebra Japanese silver grass - what do you mean when you say divide clumps every 2 or 3 years? Why? What will happen if I do not?


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Answer from NGA
July 15, 2005

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A common maintenance chore in a perennial garden is that of dividing. There is no set rule as to when to divide perennials. Some may need division every 3-5 years, some 8-10 years and some would rather you not bother them at all.

Perennials will send signals to let you know that they would like to be divided. The signals to watch out for include: flowering is reduced with the flowers getting smaller; the growth in the center of the plant dies out leaving a hole with all the growth around the edges; plant loses vigor; plant starts to flop or open up needing staking; or it just may have outgrown its bounds. These are the signs to look for, and dividing will keep your plants vigorous and healthy. If you do not divide your ornamental grasses they will begin to look unkempt.

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