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I have planted Yarrow, Achillea Terra Cotta. It was in full bloom when planted. With in two weeks all six stalks turned brown as the flowers dried out. We have had ample rain and I watered when soil was dry approximately 1 inch down. This was only required once or twice in the past two weeks. I am just wondering if this is a normal condition for newly planted Yarrow or if this has for some reason died out. Any advice on this plant which is new to me will be greatly appreciated.
Don't know your zone, but my most of my yarrows have done the same by now. I cut them back to the bottom of the stalk... most will give me some sporatic blooms later in the season. I have all my yarrows interplanted with other things that bloom later to cover for them when they are finished with that first big flush. I wouldn't worry unless the plant itself died off.
When you say the stalks turned brown, is it just the flowers that suffered or are the leaves looking bad too? If it's just the flowers I wouldn't worry about it, many times plants will focus on getting their roots going first rather than flowers.
Tggfisk/ecrane; I am in 7b, sorry I didn't mention that before. The entire stalks turned brown. Leaves and all. I did the same and cut them off. I pulled a small piece out of the ground and it had what appeared to be little bits of new growth. I stuck it back in the ground. Guess this is the plants habit. Thanks for the info.
Was the weather hot when you planted them (or did it get hot shortly afterwards)? It's more stressful for plants when you plant them in hot weather so sometimes even if you do everything right they won't make it, plus it makes it harder to keep them watered properly, etc. Or if your ample rain was actually too much rain that could have caused problems too, yarrow is pretty drought tolerant once established so I don't think it would like sitting around with wet feet and I know some areas of the country have had TONS of rain this year.
Yarrow is invasive here in zone 8a. It comes under my fence from the neighbor all the time. It's as bad as bamboo in that respect, but of course it doesn't present the problems that bamboo does since it's herbal rather than woody.
I have this planted under a split rail fence and have read that if dead headed it will spread under ground. Where I have it the mower will keep it in check. I believe it is a combination of transplant stress and natural habit. It was hot and humid when planted with afternoon showers about every other to every third day. The soil is like a sandy type clay base. I dug the hole quite a bit deeper than needed and added back in with organics to aid drainage. As tgg mentioned in 7b all of theirs have died back but should send up new growth. I will just have to wait and see what happens. The soil was never overly damp at the edges of the hole. The area does get some dappled shade from a hickory tree during the middle of the day so I do not believe it cooked in the heat.
dp-I have some yarrow that spreads like that. it hasn't left the garden bed, but does tend to overtake other plants nearby. I keep after that one to keep it from taking over. It's really pretty though and worth the effort.
Other types, like my Paprika, and Moonshine don't run at all. They do spread a bit, but only in their own area. They don't come up in the middle of other plants like that crazy noid pink one does. I don't have Terracotta, but don't think it's a runner either. Not sure, maybe someone that has it will chime in.
