Sick Cacti - Pests, Diseases, etc.

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A note to new members: Make sure that you're posting in the right forum!

Last post by Steve Johnson « Sat Mar 27, 2021 11:06 pm

by Steve Johnson » Sat Mar 27, 2021 11:06 pm

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Last post by Steve Johnson
Sat Mar 27, 2021 11:06 pm
A note to new members: Please add location info to your member profile/signature

Last post by Jtwrigh « Tue Apr 11, 2023 11:51 pm
Replies: 1
by Steve Johnson » Mon Nov 18, 2019 4:18 am

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Last post by Jtwrigh
Tue Apr 11, 2023 11:51 pm
How to resize your photos BEFORE posting

Last post by Brokken « Sat Dec 28, 2024 10:31 pm
Posted in Cacti Identification
Replies: 59
by ElieEstephane » Fri Feb 02, 2018 6:19 pm » in Cacti Identification
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Last post by Brokken
Sat Dec 28, 2024 10:31 pm

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Hot bath against root mealybugs

Last post by FredBW « Fri Dec 01, 2023 12:42 am
Replies: 46
by mmcavall » Tue Oct 16, 2018 2:17 am
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46 Replies

86831 Views

Last post by FredBW
Fri Dec 01, 2023 12:42 am
Mealies and flat mites and scale -- oh, my! (Updated 6/11/2022)

Last post by keith « Fri Dec 23, 2022 3:36 pm
Replies: 134
by Steve Johnson » Mon Dec 31, 2018 12:46 am
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181670 Views

Last post by keith
Fri Dec 23, 2022 3:36 pm
Some fungal Diseases

Last post by hegar « Fri Jul 23, 2021 3:47 am
Replies: 8
by hegar » Sat Aug 11, 2018 6:32 am

8 Replies

45910 Views

Last post by hegar
Fri Jul 23, 2021 3:47 am
Advice needed on black spot treatment

Last post by Nino_G « Tue Jan 14, 2025 1:52 pm
Replies: 15
by IsabellaKorzi » Sat Jan 11, 2025 11:23 pm
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15 Replies

268 Views

Last post by Nino_G
Tue Jan 14, 2025 1:52 pm
Crust and black areas on one part of 7 foot cactus

Last post by Steve Johnson « Tue Dec 31, 2024 5:06 am
Replies: 1
by Nataliegayle » Mon Dec 30, 2024 3:08 pm

1 Replies

389 Views

Last post by Steve Johnson
Tue Dec 31, 2024 5:06 am
Do you know what is this insect in my seedbeds?

Last post by jerrytheplater « Sat Nov 30, 2024 1:34 pm
Replies: 7
by yonnoy » Sat Nov 16, 2024 3:10 pm

7 Replies

1896 Views

Last post by jerrytheplater
Sat Nov 30, 2024 1:34 pm
Purple and orange spots on ferocactus

Last post by Ilvin « Tue Nov 26, 2024 2:30 am
Replies: 51
by Ilvin » Thu Sep 14, 2023 11:57 am
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34396 Views

Last post by Ilvin
Tue Nov 26, 2024 2:30 am
Split At Base - Pachycereus weberi

Last post by Steve Johnson « Mon Nov 18, 2024 11:27 pm
Replies: 10
by bfh » Sat Oct 26, 2024 5:02 pm

10 Replies

1810 Views

Last post by Steve Johnson
Mon Nov 18, 2024 11:27 pm
Fully buried offsets with new cactus

Last post by Ilvin « Sat Nov 09, 2024 2:52 am
Replies: 4
by Ilvin » Fri Nov 08, 2024 7:45 am

4 Replies

1354 Views

Last post by Ilvin
Sat Nov 09, 2024 2:52 am
Identifying rot

Last post by Steve Johnson « Sat Nov 02, 2024 7:52 pm
Replies: 9
by SpriteFish » Fri Nov 01, 2024 11:04 pm

9 Replies

1349 Views

Last post by Steve Johnson
Sat Nov 02, 2024 7:52 pm
I've got mealybugs and a couple questions.

Last post by greenknight « Fri Oct 25, 2024 9:16 am
Replies: 23
by CoolestGravy » Tue Sep 24, 2024 2:16 am
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3285 Views

Last post by greenknight
Fri Oct 25, 2024 9:16 am
Above ground mealybugs without pesticides

Last post by Steve Johnson « Mon Oct 21, 2024 9:31 pm
Replies: 20
by SpriteFish » Tue Oct 08, 2024 3:35 am
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3553 Views

Last post by Steve Johnson
Mon Oct 21, 2024 9:31 pm
Need help with sick seedlings.

Last post by Nino_G « Mon Oct 28, 2024 2:08 pm
Replies: 18
by Seedgrower » Mon Oct 14, 2024 7:49 pm
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3833 Views

Last post by Nino_G
Mon Oct 28, 2024 2:08 pm
Possible pest identification question

Last post by Steve Johnson « Thu Oct 03, 2024 10:18 pm
Replies: 3
by loyall » Sat Sep 21, 2024 8:09 pm

3 Replies

1203 Views

Last post by Steve Johnson
Thu Oct 03, 2024 10:18 pm
Clarifying Proper Execution of Systemic Mite & Mealy Treatment

Last post by Steve Johnson « Thu Oct 03, 2024 1:18 am
Replies: 19
by BrianD » Wed Jul 17, 2024 9:28 pm
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3458 Views

Last post by Steve Johnson
Thu Oct 03, 2024 1:18 am
I cut my perfectly healthy cactus in half, wrongly assuming he had rot, and now he is dying! HELP!

Last post by Solar Echinopsis « Thu Sep 19, 2024 7:43 pm
Replies: 4
by Solar Echinopsis » Wed Sep 18, 2024 10:27 am

4 Replies

1439 Views

Last post by Solar Echinopsis
Thu Sep 19, 2024 7:43 pm
Austrocactus seedlings - rot - tips?

Last post by DaveW « Fri Sep 06, 2024 8:29 am
Replies: 3
by ohugal » Sun Sep 01, 2024 7:29 pm

3 Replies

2296 Views

Last post by DaveW
Fri Sep 06, 2024 8:29 am
Dramatic change in my cactus

Last post by Steve Johnson « Thu Aug 29, 2024 10:01 pm
Replies: 5
by CaraR » Wed Aug 28, 2024 12:13 am

5 Replies

1976 Views

Last post by Steve Johnson
Thu Aug 29, 2024 10:01 pm
Is it rotting?

Last post by Cactusha « Thu Aug 29, 2024 1:39 pm
Replies: 3
by Cactusha » Wed Aug 28, 2024 6:39 pm

3 Replies

1556 Views

Last post by Cactusha
Thu Aug 29, 2024 1:39 pm
Flowers drying out before they bloom

Last post by CaraR « Wed Aug 28, 2024 1:43 am
Replies: 9
by CaraR » Thu Oct 12, 2023 12:29 pm

9 Replies

10474 Views

Last post by CaraR
Wed Aug 28, 2024 1:43 am
Chlorosis or worse? I need an adult

Last post by Steve Johnson « Fri Aug 09, 2024 9:10 pm
Replies: 9
by CoolestGravy » Fri Aug 02, 2024 1:13 am

9 Replies

3757 Views

Last post by Steve Johnson
Fri Aug 09, 2024 9:10 pm
Instead of imidocloprid...

Last post by ohugal « Fri Aug 09, 2024 5:52 am
Replies: 6
by fanaticactus » Mon Jul 29, 2024 8:21 pm

6 Replies

2700 Views

Last post by ohugal
Fri Aug 09, 2024 5:52 am
Help!! AZ New Cactus are Dying

Last post by FredBW « Sat Jul 27, 2024 6:20 pm
Replies: 17
by H20mobius » Wed Jul 17, 2024 6:38 pm
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6698 Views

Last post by FredBW
Sat Jul 27, 2024 6:20 pm
Rot or Not? Please help

Last post by Steve Johnson « Fri Jul 26, 2024 3:16 am
Replies: 84
by CoolestGravy » Tue Jan 16, 2024 11:37 pm
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84 Replies

24122 Views

Last post by Steve Johnson
Fri Jul 26, 2024 3:16 am
Sick Cactus

Last post by Steve Johnson « Thu Jul 25, 2024 12:20 am
Replies: 4
by BellaCactus24 » Wed Jul 24, 2024 4:28 pm

4 Replies

1478 Views

Last post by Steve Johnson
Thu Jul 25, 2024 12:20 am
Is this sunburn or something else?

Last post by Steve Johnson « Sat Jul 13, 2024 8:14 pm
Replies: 1
by majordude » Sat Jul 13, 2024 2:42 pm

1 Replies

1407 Views

Last post by Steve Johnson
Sat Jul 13, 2024 8:14 pm
sick cactus

Last post by Steve Johnson « Mon Jul 08, 2024 11:14 pm
Replies: 6
by piratehooker » Mon Jul 01, 2024 7:46 am

6 Replies

2473 Views

Last post by Steve Johnson
Mon Jul 08, 2024 11:14 pm
Need Advice: Rodent Bitten and Possibly Sunburned Lophophora Williamsii

Last post by U4iK « Mon Jul 01, 2024 4:24 am
Replies: 5
by U4iK » Thu Jun 27, 2024 11:50 pm

5 Replies

2259 Views

Last post by U4iK
Mon Jul 01, 2024 4:24 am
Sick 18ft Euphorbia ingens - any help appreciated!

Last post by AridWest_CatiGuy « Thu Jun 06, 2024 8:37 pm
Replies: 2
by AridWest_CatiGuy » Mon Jun 03, 2024 5:15 pm

2 Replies

1613 Views

Last post by AridWest_CatiGuy
Thu Jun 06, 2024 8:37 pm
Kalanchoe Beharensis covered in brown spots

Last post by Astrophyto « Fri May 31, 2024 11:49 am
Replies: 3
by Hero878 » Sun May 26, 2024 5:26 pm

3 Replies

2226 Views

Last post by Astrophyto
Fri May 31, 2024 11:49 am
Help my pelecephoria

Last post by vincent_cm « Wed May 22, 2024 7:06 pm
Replies: 10
by vincent_cm » Mon May 20, 2024 3:15 pm

10 Replies

4364 Views

Last post by vincent_cm
Wed May 22, 2024 7:06 pm
Can this cactus be saved?

Last post by Steve Johnson « Tue May 21, 2024 10:10 pm
Replies: 6
by Deejay » Sat May 18, 2024 1:57 pm

6 Replies

2552 Views

Last post by Steve Johnson
Tue May 21, 2024 10:10 pm
Base of cactus turning brown.

Last post by Aramidesaxi « Fri May 17, 2024 12:56 pm
Replies: 5
by Aramidesaxi » Sun May 12, 2024 7:34 pm

5 Replies

2890 Views

Last post by Aramidesaxi
Fri May 17, 2024 12:56 pm
Schlumbergera bridgesii disease or pest

Last post by anttisepp « Thu May 16, 2024 4:50 am
Replies: 4
by Sova1970 » Sun Apr 28, 2024 9:41 pm

4 Replies

2435 Views

Last post by anttisepp
Thu May 16, 2024 4:50 am
Cactus cutting gone bad (cont'd)

Last post by Steve Johnson « Mon May 13, 2024 11:18 pm
Replies: 3
by Chindit » Tue Apr 23, 2024 9:42 pm

3 Replies

1728 Views

Last post by Steve Johnson
Mon May 13, 2024 11:18 pm
Unidentified Insects

Last post by anttisepp « Fri May 10, 2024 5:06 am
Replies: 7
by akcheat » Thu May 09, 2024 1:21 pm

7 Replies

2885 Views

Last post by anttisepp
Fri May 10, 2024 5:06 am
Fungal Infection or something else? (It's Chlorosis)

Last post by CoolestGravy « Wed May 08, 2024 11:04 pm
Replies: 10
by CoolestGravy » Fri Apr 05, 2024 12:08 am

10 Replies

7055 Views

Last post by CoolestGravy
Wed May 08, 2024 11:04 pm
Something has been stealing (and I guess) eating my baby chollas

Last post by Tom in Tucson « Mon Apr 29, 2024 7:04 pm
Replies: 4
by DesertDan » Tue Apr 23, 2024 12:04 am

4 Replies

3786 Views

Last post by Tom in Tucson
Mon Apr 29, 2024 7:04 pm
Is this Parodia ottonis unhealthy?

Last post by madkactus « Mon Apr 29, 2024 6:30 pm
Replies: 13
by loyall » Sun Jan 28, 2024 7:34 pm

13 Replies

5912 Views

Last post by madkactus
Mon Apr 29, 2024 6:30 pm
Fungus? Or something else?

Last post by Steve Johnson « Tue Apr 02, 2024 11:39 pm
Replies: 13
by cameracassidy » Sat Feb 17, 2024 5:59 pm

13 Replies

5836 Views

Last post by Steve Johnson
Tue Apr 02, 2024 11:39 pm
Black spot - rot?

Last post by Steve Johnson « Sun Mar 31, 2024 2:08 am
Replies: 7
by Srasra » Mon Mar 18, 2024 12:37 am

7 Replies

4048 Views

Last post by Steve Johnson
Sun Mar 31, 2024 2:08 am
Cactus cutting gone bad?

Last post by jerrytheplater « Mon Mar 25, 2024 2:57 pm
Replies: 52
by Chindit » Mon Jan 22, 2024 12:19 am
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52 Replies

15748 Views

Last post by jerrytheplater
Mon Mar 25, 2024 2:57 pm
What is happening to my Pilosocereus Azureus?

Last post by Steve Johnson « Sun Mar 24, 2024 9:47 pm
Replies: 6
by Cachi » Sat Mar 23, 2024 4:54 pm

6 Replies

4222 Views

Last post by Steve Johnson
Sun Mar 24, 2024 9:47 pm
Shore flies (Scatella stagnalis)

Last post by AizoaGuy « Fri Mar 22, 2024 1:58 am
Replies: 2
by AizoaGuy » Fri Mar 15, 2024 10:22 pm

2 Replies

3687 Views

Last post by AizoaGuy
Fri Mar 22, 2024 1:58 am
Big scale infestation - please help

Last post by memememe « Mon Mar 11, 2024 11:46 pm
Replies: 7
by memememe » Fri Mar 08, 2024 6:27 am

7 Replies

4199 Views

Last post by memememe
Mon Mar 11, 2024 11:46 pm
Offset?

Last post by greenknight « Sat Mar 09, 2024 7:45 am
Replies: 10
by zpeckler » Thu Mar 07, 2024 11:13 pm

10 Replies

4666 Views

Last post by greenknight
Sat Mar 09, 2024 7:45 am
San Pedro white spots

Last post by Steve Johnson « Sun Mar 03, 2024 10:23 am
Replies: 3
by Solidsnake1 » Sun Mar 03, 2024 3:38 am

3 Replies

4073 Views

Last post by Steve Johnson
Sun Mar 03, 2024 10:23 am
Stenocereus thurberi rot and debridement

Last post by Steve Johnson « Mon Feb 26, 2024 11:34 pm
Replies: 15
by zpeckler » Mon Mar 27, 2023 12:08 am
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15 Replies

11908 Views

Last post by Steve Johnson
Mon Feb 26, 2024 11:34 pm
Dead top – should it be cut?

Last post by Steve Johnson « Sat Feb 17, 2024 1:06 am
Replies: 4
by signal » Sat Feb 10, 2024 2:09 am

4 Replies

4778 Views

Last post by Steve Johnson
Sat Feb 17, 2024 1:06 am
Brown patches

Last post by Tom in Tucson « Fri Feb 16, 2024 9:03 pm
Replies: 1
by sachakp » Sun Feb 11, 2024 5:43 pm

1 Replies

3594 Views

Last post by Tom in Tucson
Fri Feb 16, 2024 9:03 pm

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