Questions tagged [plant-health]

For questions about how to maintain or assess a plant's health.

123 questions with no upvoted or accepted answers
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What is causing tip dieback of Norway Spruce?

This is a recently planted Norway Spruce in Mount Horeb, Wisconsin. 1/3 planted trees is experiencing tip dieback. Is this planting stress, symptom of a tip blight, or something else?
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74 views

How to help thuja aurea nana to florish

I have a few of these pants - about a year and half old. But they (all of them - 6) are drying one side but looks better on the other side. Please help Update 9/1: after adding some fish emulsion and ...
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285 views

why is this laurel hedge still dying

This laurel was dying, leaves going brown. Soil a bit dry, watered it loads, a week and a half later still dying. Googled it, some results said probably drought and some said waterlogged roots! So I ...
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19 views

Does chicken manure interfere with fruit trees?

I have a lemon and orange tree which chickens roost in and poo around and causing the trees not to bear much fruit. What can I do to eliminate the nitrogen in the soil? I cannot move the chickens ...
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37 views

Question about pruning and health of Orange tree

I am in south Louisiana, and we recently have had a much colder than average winter. I have an orange tree in my backyard and I was planning on pruning it in the spring, and I am wondering about the ...
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43 views

Tahitian Lime tree leaves eaten?

I got this Tahitian Dwarf Lime tree not long ago and I was surprised to find a few of the leaves being bitten. I'm not sure what to do to stop/prevent this from reocurring. Any advice?
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678 views

Pittosporum plants dying

I live in San Francisco bay area (Fremont, hardiness zone 10b). I have planted pittosporum tenuifolium as hedge plant. I have about 30 plants, these are growing very healthy for the last one year and ...
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64 views

Measuring Photosynthetically Active Radiation with inexpensive sensors

I am looking to read the Photosynthetically Active Radiation in my grow area and I was curious if there is a way to do this without a PAR sensor? Is there a way I can calculate PAR from other sensors ...
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350 views

black spots near roots and up stems

My beautiful palm tree started showing black spots on the stems near the roots and then further up the stems as time progressed. Some of the leaves have a brown tinge to them. It hasn't stopped ...
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10 views

Will this plant grow in pot?

I was walking through an abandoned parking lot, and saw this plant. It's about 5 feet tall (more or less 150cm). I was thinking of cutting it and placing it in a pot. Considering the plant is already ...
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1answer
18 views

My friend’s pepper plant has some odd leaf lesions

It looks like the leaves are being distorted by whatever these lesions are. Any ideas? Viral disease?
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24 views

Diagnosis - plumeria leaves are yellowing and falling off

My plumeria, grown from a cutting, is starting to lose leaves. The leaves slowly turn yellow and brown over the course of 2-3 weeks. They start off green, then have a few white spots, then turn fully ...
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20 views

What is wrong with my desert roses and how can I cure them?

I got 7 desert rose plants about 2.5 months ago. They all now have something. I don't know. Leaf curls. some white stuff? (Might be rain residue/powdery mildew but I don't know which). Some spotty ...
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2answers
25 views

What Kind of Pepper Plant is This?

My neighbor was growing this on her deck. She thought they were mini sweet bell peppers, but it turns out they're hot. I tried one, and to me it was very similar in taste to a jalapeno, with a bit ...
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1answer
18 views

Prickly pear wilting after being in the sun

my prickly pear has been doing great, until this morning I put it outside in direct sun and within a few hours the new baby on the top started to lean. I also watered it the same day. Any ideas as to ...
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27 views

Is it a Peace Lily and can I rescue this?

Bought two of these (Peace Lily?) for the bedrooms but this one is in trouble - what can I do to rescue it? Am thinking it has been overwatered by house sitter during my absence and seems also to have ...
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1answer
28 views

what are these brown spots on my potato plant?

I have noticed brown spots on my potato plant but cannot figure out what it could be. Do you might have an idea?
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1answer
33 views

Why are my aloe’s leaves flattening?

In the past few weeks some of my aloe’s leaves are becoming flat. What is wrong with it? Is there anything I can do? .
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2answers
58 views

Is my cactus being under watered?

I’ve had my cactus for over a year now. I bought it late winter/early spring (February/March?) and from the time I bought it to around a month ago it had very stunted growth and didn’t grow any new ...
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15 views

Potential cause for wilting plum tomatoes in hydroponics system? (see picture)

You'll find two photos below. The first photo is of a plant that isn't doing too well, and is clearly wilting (though still hanging in there) despite being in a similar state for almost two weeks now....
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28 views

What are these red-brown markings outlining the cells on the underside of this fiddle leaf fig?

While shopping at a large chain retail store, I found a fiddle leaf fig tree with a major price discount. I got excited. I’ve always wanted one. But I was nervous about the reddish-brown color around ...
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42 views

Old leaves of Chinese Elm bonsai have gone brown at the edge and yellow at the center and then falling off

I have a 7 year old Chinese Elm bonsai. So far it has been growing new shoots without any problems. As of last week I noticed most of the leaves of the old shoots have started going yellow at the ...
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22 views

Identify bug in leaves?

Does anyone know what this is? Will soap water kill this? Unlike the mealyworms I’ve seen this on the top part of the leaf. It also doesn’t come off easily; you kinda have to scrape it off. I ...
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12 views

Erigeron not flowering

I have a few Erigeron plants in my garden which are about 3 years old. This year they are producing many buds which are not developing into flowers. The petals appear stunted. Does anyone know what ...
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28 views

Drying sedum. How can I save this plant?

I bought this plant in the month of April. It looks like a sedum. It was very green and healthy back then. Now since summers started the plants branches started to dry though I watered it properly(not ...
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37 views

Little brown spots on my variegated rubber tree

Hi I have these little brown spots. When I google mostly the issue is with browning leaves (from the sides) I’m not exactly sure what these are from. They were propagated in water and recently been ...
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28 views

What is wrong with my mango tree, it’s loosing colour

Hello, My Mango tree which is five years old was transplanted last year into the ground after growing in a large pot. After transplanting, it grew really quickly and bore fruit for the first time.It ...
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13 views

Pesticide for plants?

For some reason, most of the plants at my house have some sort of bug, from mealy bugs to whiteflies to other crap. I've been spraying with soapy water but it's not working. What pesticide can I buy ...
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1answer
25 views

Will pimento plant grow in direct sun in outdoor?

I have a pimento plant that I bought at a grocery store. I'm thinking of transplanting to a bigger pot and moving it to my outdoor terrace. We live in the Caribbean. We currently have about 85° ...
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1answer
49 views

Should I take precautious measures?

Noticed these fuzzy little balls clumped together in my pot. Its not a root. The other holes have very very very small white dots in the soil almost like little tiny specs of mold or eggs. Should it ...
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30 views

What is happening to my Areca Palm

I shifted my areca Palm indoor near a window from outside and it was green and healthy. Within two weeks it's leaves are rust coloured and hard. What could be the problem?
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32 views

Why is my Four O'Clock plant (Mirabilis jalapa) dying?

I live in Sydney. Its hardiness zone is 10b-11a (depending on the region). This autumn thus far has been warm and sunny with temperature range between 28C to 13C on average. Not too hot and not too ...
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0answers
17 views

How to revive my licuala grandis?

I was away for two weeks and unfortunately forgot to tell the caretaker to water my licuala grandis while I’m away. When I got back home this is how it looks like Is there any chance to revive this ...
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1answer
205 views

Wilting fittonia

kinda new to the whole gardening scene but I have a wilting fittonia and I’m not sure why, I thought it could be a lack of sunlight because the room that it’s in is in an area in the house where there’...
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30 views

Dracena Marginata has new leaves growing white

I've had this dracena plant for almost 2 years now and today I noticed that the top growing leaves are white. Is this normal? I looked at the top leaves a while ago and didn't notice the white colours....
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15 views

Cherry tree fungus

I’ve got a cherry tree of some variety (at least, I think that’s what it is). Last winter, some black fungus clusters started forming on some of the branches. I figured I should snip them all off the ...
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38 views

Please help- brown patches on my Dracaena?

I’m quite concerned about my White Jewel Dracaena, and I was hoping to get some answers if anyone is willing to help. It has brown, rough-feeling patches on many of the leaves. It’s potted in regular ...
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64 views

Is aloe supposed to grow like this?

I just propped it up but it is really top heavy and some of the leaves are pretty droopy. The outside leaves seem to just stack on top of eachother and never spread out and around. Should I cut the ...
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0answers
21 views

Can I save my Dieffenbachia from the cold?

I moved my dieffenbachia to the house we're moving into, but its too cold. All the leaves are like a dark green and very very droopy. How can I save it?? Its almost 5 ft tall
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18 views

Gardenia Buds dropping

I brought a gardenia from store few weeks back. It looked very healthy. However, live in northern Germany and here winter days are really small and 95% of the time, it is extremely cloudy. The ...
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30 views

Why is my Aloe losing leaves?

I’ve had this plant since August and recently it has lost a couple of leaves, I was wondering if anyone could identify a cause. Thanks
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55 views

Is it possible to revive this hedge?

We've lived in our house a little over a year, and over time it seems like the hedge out front has gone from a healthy green to a grey / brown. I have to admit that I'm a bit of a novice when it comes ...
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0answers
17 views

Brown leaves on shrub

Anyone know what’s happening with this otherwise healthy looking shrub?
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1answer
217 views

Miniature Peperomia Pilea depressa, losing leaves and color

I've had this plant for about 9monthes and it's been generally doing well, it even sprouted new babies (?). However, in the last 3 months, a good amount of its leaves are browsing and falling off. I ...
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0answers
23 views

Magnolia leaves browning and falling

My Kay Paris Magnolia has browning leaves, which ultimately fall off. I also notice spotting on the leaves. Neighboring trees have a scale problem, but not much on this tree, which I also put white ...
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97 views

Why is my avocado tree dropping its leaves?

I live in S. Florida (zone 10B). We planted a grafted avocado this past May. All year it's been doing pretty well, and we got a few small fruits a few weeks ago. Shortly after harvest, it started to ...
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1answer
69 views

Can These Plants Be Saved?

I believe the more dead one is sage. How should I help it? Also the plant with brown ends on the stems is mint. Should I cut off the brown bits? I don't care about harvesting or eating them I mostly ...
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103 views

how to best take care of a xanthosoma sagittifolium?

A few months ago I bought a big beautiful xanthosoma sagittifolium. I have it situated by a northern facing window because I read it does not like full sun. I'm very confused by this plant because it ...
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32 views

Are there bugs on my adenium?

Can you please check the leaves of my adenium? It grows black in colour and I don't know why. Please share the reason so that I can improve the health of my adenium.
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32 views

Is my Cayenne plant healthy?

I'm based in London, UK. I planted Cayenne around mid-may 2018, this is how they are currently looking like (leaves look a bit too big to me compared to other pics of the plants I've seen). So at ...