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black eyed susans help #29029
August 9th, 2005 at 09:54 PM
August 9th, 2005 at 09:54 PM
Joined: Aug 2005
Columbia, Maryland
C
csped Offline OP
Junior Member
csped  Offline OP
Junior Member
C

Joined: Aug 2005
Columbia, Maryland
Hi, I am a special education teacher in Maryland, enjoying the last few weeks of summer vacation. I am an amateur gardener ( we used to move around all the time, so I never stayed in a place long enough to watch it grow and mature). Now we are planted here, and I am trying to grow things. Right now, my problem is my black eyed susans. Every time I plant them the leaves turn black and then they die. I have moved locations, watered, fertilized, etc, but to no avail. They shouldn't be this hard, they are really weeds! Any body have a solution?

Re: black eyed susans help #29030
August 9th, 2005 at 10:10 PM
August 9th, 2005 at 10:10 PM
Joined: Apr 2003
N.Y.
weezie13 Offline
Compost Queen!
weezie13  Offline
Compost Queen!

Joined: Apr 2003
N.Y.
csped,
First off Welcome to The Garden Helper's Forum!!!
We are very glad you found us....

Next I'm just letting you know, I'm going to move your post down into plants AND flowers SECTION,
You'll get a few more responses to your question
down there...

And I'd like to offer a small bit of help here too, Some questions actually..

What kind of soil do you have your BES in?
Bagged or regular garden soil?
What kind of fertilizer's have you used?
***I personally NEVER use any on those types of flowers* but we need to know... especially the brand and or numbers on the package...
What locations have you moved them too?
Sunny, shade..?
How many times have you moved them?
And how many plants did you start out with????

And how much watering did you do?
And what time of day, ie; morning, late evenings?

And finally, we have several members from Maryland here, our own Loz, hostess, is from there too!!!!


Weezie

Don't forget to be kind to strangers. For some who have
done this have entertained angels without realizing it.
- Bible - Hebrews 13:2

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Re: black eyed susans help #29031
August 10th, 2005 at 04:50 AM
August 10th, 2005 at 04:50 AM
Joined: Aug 2002
Knoxville, TN
A
alankhart Offline
Member
alankhart  Offline
Member
A

Joined: Aug 2002
Knoxville, TN
Most Black Eyed Susans don't really need any fertilizer...they do very well in lean soil, especially the perennial ones like 'Goldstrum'. They also don't need a lot of extra water once established, which may be the problem...too much water? The annual or biennial ones like 'Becky Mix', 'Irish Eyes' and 'Indian Summer' are very prone to fungal diseases, especially mildew. They tend to perform better with more moisture during their blooming season. All of them prefer full sun to light shade.


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Re: black eyed susans help #29032
August 11th, 2005 at 06:51 AM
August 11th, 2005 at 06:51 AM
Joined: Aug 2003
NJ, NORTHERN COUNTY
BFVISION Offline
Member
BFVISION  Offline
Member

Joined: Aug 2003
NJ, NORTHERN COUNTY
All cone flowers are my favoritw, but the B.E.S. is by far the best. They really stand out. I have always been puzzeled by the apparent black leaf fungus as it will hit one plant and not the next one. Always been strange, but they do come back each year.

Re: black eyed susans help #29033
August 11th, 2005 at 07:09 PM
August 11th, 2005 at 07:09 PM
Joined: Jul 2004
Toronto, Canada
Carly Offline
Member
Carly  Offline
Member

Joined: Jul 2004
Toronto, Canada
That black fungus (tar rot?) - if it's the same thing I'm thinking of, it gets on everything once it gets going.

We didn't get any this year - I wonder if it had something to do with the drought.

We are having some rain right now; if we keep getting precip over the course of the next two weeks, and we also get the leaf rot, then I'll know.

Or, maybe the city really did start burning the leaves - they were supposed to do that rather than compost it.


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Re: black eyed susans help #29034
August 11th, 2005 at 08:04 PM
August 11th, 2005 at 08:04 PM
Joined: Sep 2003
Wisconsin
The Plant Doc Offline
Mr. Radio
The Plant Doc  Offline
Mr. Radio

Joined: Sep 2003
Wisconsin
Black eyed susans are notorious for getting a fungal disease called anthracnose. (I think that is how you spell it) It is easily diagnosed since the disease leaves BLACK spots all over the leaf, which sometimes will get to the point of covering the entire leaf.
The best fungicide to use on this disease is one that contains the active ingredient , (again I am not sure on the spelling but I will get it pretty close) CLORANATHINAL.
This disease is very much effected by weather conditions and some years will be bad while others you may not see any trace of it at all. So Carly you are right, the drought did keep it away. There is no real preventative treatment against this disease that actually works, and you have to catch it early for the fungicide to work.
This disease can and will hit anything from lawns to hardwood trees (nut and fruit trees are very susceptible to it) If it gets in your lawn it can kill your entire lawn with in a few days time. But just because you have it in your black eyed susans, does not necessarily mean you will get it anywhere else.

I wish I had better news for you.


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Mike Maier
aka
The Plant Doc
Re: black eyed susans help #29035
August 12th, 2005 at 06:35 AM
August 12th, 2005 at 06:35 AM
Joined: Aug 2003
NJ, NORTHERN COUNTY
BFVISION Offline
Member
BFVISION  Offline
Member

Joined: Aug 2003
NJ, NORTHERN COUNTY
plant Doc,
Does it make sense to be proactive with this CLORANATHINAL? Maybe put it on even if you don't see it first?

Re: black eyed susans help #29036
August 13th, 2005 at 08:00 PM
August 13th, 2005 at 08:00 PM
Joined: Sep 2003
Wisconsin
The Plant Doc Offline
Mr. Radio
The Plant Doc  Offline
Mr. Radio

Joined: Sep 2003
Wisconsin
Not really as this is not something that happens every season, and it is not a preventative treatment. It only gives you a window of protection for 1 to 3 weeks, and since you don't know when/if the disease will hit you can be spending a lot of money and applying chemicals needlessly.


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Mike Maier
aka
The Plant Doc
Re: black eyed susans help #29037
October 1st, 2005 at 01:49 AM
October 1st, 2005 at 01:49 AM
Joined: Feb 2004
Nashville TN
W
WCutler Offline
Member
WCutler  Offline
Member
W

Joined: Feb 2004
Nashville TN
I just thought the darkening of my BES leaves each fall was part of the process of the plant dying back to it's winter dormant state. It happens to my plants each fall and has not affected the blooms or the plant's spreading. The time of year I transplant has proven to be important. I transplant plants late fall after the blooms have died or early spring as soon as the plant emerges from the ground. When I have transplanted other times the plants died never to return.

Thanks


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