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Questions tagged [discoloration]

Use this with questions about diagnosing browning, yellowing or other spots on leaves, stems or other part of plants. Use this tag along with the [diagnosis] tag.

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3 votes
0 answers
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Large white marks and curled up basil leaves

I’ve grown this plant from seed indoors under grow lights. Potting mix is ProMix organic. They looked great at first but then started developing these white marks and the leaves started curling up all ...
Seb's user avatar
  • 31
3 votes
0 answers
30 views

Basil Plant leaves discoloration

What is the discoloration on my basil leaves? the bottom leaves of the plants also have it and are yellow. Am i doing something wrong ?
kira's user avatar
  • 31
2 votes
1 answer
291 views

Green maple tree growing out of red maple tree. Why + any cause for alarm?

I have some red maple trees in a planter on my balcony. One of these branched right at the lowest part of the trunk, almost right after I got it. This branch grew almost to the same size as the ...
user3792852's user avatar
3 votes
1 answer
217 views

Clustered white spots on strawberry mint leaves

I woke up this morning to find a node of leaves on my strawberry mint plant covered in white spots. I've noticed a few other leaves nearby having the same issue, though not as prominent. Does anyone ...
ieatdirt's user avatar
3 votes
2 answers
285 views

avocado leaf getting black spots near vein

~1.5 year old indoor avocado plant recently started getting these black spots near the central vein. It's only on the top face of the leaf and only one leaf is affected. There seems to be no ...
Bingus's user avatar
  • 31
2 votes
0 answers
56 views

Oak Tree Disease

Several live oak trees in my neighborhood over the past years have become covered in these protruding black spots on the bark. When the trees have it for a long time, they look like the tree I posted ...
mbs's user avatar
  • 81
2 votes
0 answers
28 views

Mango plant is dying

My mango plant (Mallika variety) recently had what seemed like a mealybug infestation. I applied EndAll pesticide and 70% isopropyl alcohol, and now the bugs mostly seem to be gone. However, I notice ...
mangoAdmirer's user avatar
4 votes
0 answers
220 views

Dragon Fruit developing translucent areas which then turn tan/white

I have two dragon fruit plants which were started from healthy cuttings. The new growth segments have developed an odd thing which I can't figure out when reading up on problems and diseases. Along ...
jeremy simon's user avatar
2 votes
0 answers
203 views

What is the cause of bubbles in my lemon tree leaves

I have planted a lemon tree in a pot and I have now noticed that some of the leaves have bubbles and the new small ones are reddish in colour. What is the cause of this and what can I do to remedy ...
Zoe Nyembe's user avatar
2 votes
0 answers
133 views

Why is my ficus tree changing variegation color?

I bought two ficus trees a little over a year ago, one with dark green/white leafs, and a smaller one with dark green/light green leafs. A while ago, the first one started growing leafs with the color ...
Lasse Meyer's user avatar
1 vote
0 answers
540 views

Verbena leaves getting yellow dots and losing pigment

My verbena is getting yellow dots. It starts with a few of them and then the number of them grows until the leaf turns entirely a lighter shade of green. Comparing it to my other verbena, I think the ...
Perunika11's user avatar
3 votes
1 answer
627 views

Do leaves turn red when preparing to undergo photosynthesis?

I am trying to diagnose a leaf-color issue with a young magnolia tree. Internet searches have been unhelpful. I will read ten pages, and five will tell me it's getting too much water - five will ...
nuggethead's user avatar
1 vote
1 answer
135 views

What's wrong with my citrus?

First two are a lime, second two are a tangerine. Both of these have done well in previous years. The lime is especially bad it does not seem able to add new leaves, and the existing leaves have ...
Jeffrey Blattman's user avatar
1 vote
0 answers
36 views

Peter pepper plant seeding yellow new leaves

I am using my own built green house to prepare some chili plants for next years gardening season. I have planted various seeds and almost all of them have grown into seedlings. I have noticed that one ...
Yanick Salzmann's user avatar
1 vote
0 answers
97 views

Immediately browned leaves on coral bark maple

Four months ago I transplanted two young maple trees, a coral bark and a Japanese, from nursery pots to larger pots. I went on vacation and the automatic irrigation did not trigger. Both scorched, ...
emsoff's user avatar
  • 556
3 votes
0 answers
35 views

What could be causing these bands of discoloration on my grass leaves?

My lawn was replanted from seed last fall, and has been looking generally good this year, though the overall color seemed a bit lacking recently. Upon closer inspection, I found that throughout the ...
dphil's user avatar
  • 31
2 votes
1 answer
96 views

What is going on with this oak tree

I have a rather large oak tree and many of its leaves are turning partially brown (it's mid-to-late July). The tree is in Northeastern Mississippi. A few of the leaves are falling off. I have other ...
bill999's user avatar
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0 votes
0 answers
135 views

Mint with white / yellow spots and eaten leaves- advice on how to treat?

Any help identifying what's going on here and how to help is much appreciated!! This is mint I bought and potted. It's grown quite a bit but I am noticing these white / yellow flecks, brown spots and ...
Becky's user avatar
  • 841
3 votes
1 answer
179 views

What are these streaks on my chili fruits?

I'm growing some capsicum baccatum chili in pots on my well-lit balcony, and they have grown very well, producing plenty of fruits. The leaves are healthy, with no marks of any kind. However, I've ...
user avatar
3 votes
0 answers
73 views

What's happening to my Marigold plant?

I sowed seeds for Marigold (purchased from Home Depot) and used Miracle Pro potting mix. The seeds germinated quickly and my plant grew 6-8 inches. From past 10 days, I am seeing the peripheral leaves ...
Saudamini Raina's user avatar
1 vote
0 answers
41 views

Ficus bonsai has leaves that turn copper, why?

I have a bonsai ficus ("ficus elastica bonsai" I think). For the last 2 weeks, some of the leaves are getting a little black/red (copper color). I took a picture. It seems, but I'm not sure, ...
JarsOfJam-Scheduler's user avatar
1 vote
0 answers
50 views

Newly planted grass is yellowish-green, how to fix?

A contractor planted grass seed last year and it looks IMO horrible now. It is a yellowish green color and the blades of the grass are thicker, making it seem out of place compared to the other ...
Ryan's user avatar
  • 11
2 votes
1 answer
616 views

Cacti turning brown at bottom

I have had both these mini cacti for a bit more than a year, and both are having different kinds of brown discoloration at the bottom. The first cacti has a yellow-brown-greenish discoloration at the ...
Emma Johnson's user avatar
3 votes
2 answers
5k views

What is causing my peas to wilt?

I am an absolute beginner gardener, and I have been growing some Sugar Snap peas in a large pot. They started out seeming very healthy, but have recently slowed their growth to a near complete stop, ...
rh16's user avatar
  • 83
4 votes
1 answer
376 views

What caused the leaf discoloration in my Kaffir lime?

The leaves of my kaffir lime plant have the grainy discoloration which looks like a disease. I assume normal leaves would be plain dark green. I didn't see insects or aphids living or staying in the ...
akino's user avatar
  • 121
2 votes
1 answer
717 views

Why are there brown spots developing on my Coral Cactus?

I have had my Coral Cactus for approx 4 years. Noticed brown spots developing on the fan part of cactus..never noticed this before. I am wondering what is the cause and what I can do to fix it
Sheryl's user avatar
  • 21
1 vote
2 answers
43 views

What's going on with these leaves?

Here are some bush peas and chard with odd discoloration on the leaves: What's going on here, and how do I fix it?
crmdgn's user avatar
  • 827
3 votes
2 answers
1k views

Snake Plant Wrinkles and Color Fading

I moved in February from Montreal to Toronto with my snake plant in a car (that's the first picture color and shape, the second and third picture to show the difference today). It was doing fine ...
Duha's user avatar
  • 31
2 votes
1 answer
2k views

Honeysuckle leaves turning purple, yellow, then dying

I'm in England's South Coast, with a climbing honeysuckle (can't recall exact kind) planted in the back, north-facing garden, against a waist-height east-facing fence. It gets full sun most of the day,...
ChrisD's user avatar
  • 43
2 votes
1 answer
205 views

Grape Vine identify disease please

Can anyone help me to identify what is wrong with my Muscat Vine?
Justin Alexander's user avatar
1 vote
1 answer
211 views

What causes sudden discoloration and leaf drop in a mature lemon tree?

We have a 30yo lemon tree in a large container. It spends winters inside and summers outdoors. We moved it outside a few weeks ago, when day temperatures were between 10 and 20 C and night ...
Stephie's user avatar
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