When can I expect to see new growth - Knowledgebase Question

Hudson, NY
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Question by ENyland518
April 18, 2005
I read your response about preparing gallardia for winter. Unfortunately I did not read it until today (4/17/05). I had two very robust plants in my garden last year that bloomed and bloomed. I did not cut them back or do anything as you suggest, and now, while most plants in my garden are showing new bloom, these two are not. They appear to be dead (I am in zone 5). Is there a time at which I give up and accept they are dead? HOw long do I wait to see some sign of new growth before giving up? And, if they have not made it through their first winter, should I try them again, or accept that they aren't hardy here?

Similarly, I see no growth for my miscanthusx sinensis. It was beautiful last year and provided nice interest during the winter. Like the gallardia, it was cut back about 3 weeks ago, and I see no sign of new growth. Is it too early? If this also has not survived it will be the second time this has happened, and that makes me fearful to try again, even though I love the grass.

Thank you so much.

Answer from NGA
April 18, 2005
Your zip code places you in zone 5A or the coldest part of zone 5. Gaillardia should be fully hardy in your zone -- it is extremely cold and heat tolerant -- but it does require a well drained, preferably sandy soil to overwinter successfully. A damp location or a heavy clay based soil could cause it to fail over the winter. Cutting it back in the fall would not cause it to survive or not. When you would see growth really depends on the weather and soil temperatures, but I would wait a few more weeks at least.

The grass may nor may not be hardy in your area depending on which cultivar you planted and your microclimate. (Microclimate can add or subtract up to about a half a zone.) However, assuming it is alive you should see new growth starting soon after the daffodils bloom. The new growth starts from the ground and comes up through the old stubble so it can be hard to see at first. Again, whether you cut it back in late fall or spring would not affect the hardiness.

Your local nursery staff can help you determine which plants should be hardy for you and where best to site them in your garden. Good luck with your plants!

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