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Plant Pests, Diseases and Weeds

General pests, diseases and weeds discussion. Organic and inorganic treatments, prevention and control.

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  1. Tammyd

    What causes the leaves on a Geranium to turn yellow?

    Tammyd, Jun 9, 2009
    Replies:
    7
    Views:
    275,924
    Netty
    Netty
    Jun 9, 2009
  2. margie12u

    What can I do about black spots on Zinnias

    margie12u, Jul 14, 2009
    Replies:
    1
    Views:
    157,742
    grownforyou
    grownforyou
    Oct 24, 2009
  3. tkhooper

    What ate my moss roses right down to the ground?

    tkhooper, Sep 29, 2014
    Replies:
    6
    Views:
    479,335
    2ofus
    2ofus
    Sep 30, 2014

  4. What are these!?

    plantmom, Apr 14, 2019 ... 2 3
    Replies:
    32
    Views:
    844,298
    Cayuga Morning
    Cayuga Morning
    Sep 10, 2019

  5. What are these mid-evil looking "things" on my plant?

    pharmtekk, Jun 13, 2009
    Replies:
    8
    Views:
    147,309
    pharmtekk
    pharmtekk
    Jun 14, 2009

  6. What are these I found on my spinach?

    Beeker, Aug 23, 2014
    Replies:
    4
    Views:
    97,627
    Beeker
    Beeker
    Aug 25, 2014
  7. meowmeow

    what are these and are they bad for my bonsai?

    meowmeow, Jan 26, 2010
    Replies:
    1
    Views:
    67,056
    eileen
    eileen
    Jan 26, 2010

  8. What am I, a good guy or a bad guy?

    Donna S, Apr 2, 2012
    Replies:
    3
    Views:
    63,747
    calinromania
    calinromania
    Apr 3, 2012
  9. Tina

    What ails my marigolds?

    Tina, Apr 29, 2007
    Replies:
    4
    Views:
    87,768
    Tina
    Tina
    Apr 30, 2007

  10. What Are these Green Worms on cucumber plant?

    Mrs. Galeassi, May 25, 2012
    Replies:
    0
    Views:
    154,157
    Mrs. Galeassi
    Mrs. Galeassi
    May 25, 2012

  11. Western Red Cedar Woes

    Niall, Sep 14, 2017
    Replies:
    1
    Views:
    100,263
    Jerry Sullivan
    Jerry Sullivan
    Sep 14, 2017

  12. Weird Bug on Potato Plant

    SeanLI, Jun 10, 2023
    Replies:
    10
    Views:
    1,179
    Pacnorwest
    Pacnorwest
    Jun 13, 2023

  13. Weird bug in my daylily...Help me find out what it is???

    Sherry8, Jul 9, 2016 ... 2
    Replies:
    15
    Views:
    263,205
    Kildale
    Kildale
    Jul 30, 2016

  14. Wasp, Termite or What Now?

    SeanLI, Apr 11, 2023
    Replies:
    14
    Views:
    1,012
    Pacnorwest
    Pacnorwest
    Apr 18, 2023
  15. calinromania

    very tiny white-yellow "spiders"

    calinromania, Jun 5, 2008
    Replies:
    1
    Views:
    91,436
    gardenmama
    gardenmama
    Jun 5, 2008
  16. cumminsturbo

    very small grey/whites pests

    cumminsturbo, Jul 4, 2013
    Replies:
    1
    Views:
    119,463
    waretrop
    waretrop
    Jul 4, 2013

  17. Variegated red twig dogwood has disease---help!!!!!!

    Cayuga Morning, Jul 13, 2013
    Replies:
    2
    Views:
    769,038
    Cayuga Morning
    Cayuga Morning
    Jul 14, 2013
  18. SunflowerOcity

    Using soap spray to control aphids, fungi, mites

    SunflowerOcity, May 16, 2007
    Replies:
    3
    Views:
    207,642
    SunflowerOcity
    SunflowerOcity
    May 18, 2007
  19. daisybeans

    using cornmeal as a fungicide?

    daisybeans, Jun 22, 2009
    Replies:
    6
    Views:
    117,595
    daisybeans
    daisybeans
    Jun 23, 2009

  20. Used an organic fungicide and it didn't help and made things worse. HELP!!

    Sharalyn Anderson, Aug 2, 2015
    Replies:
    13
    Views:
    174,882
    mart
    mart
    Aug 18, 2015
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