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

learn more… | top users | synonyms

13
votes
1answer
16k views

What conditions are necessary to make a potted aloe vera bloom?

I have a potted aloe vera that I keep indoors during the winter and outside the rest of the year. It has leaves one foot long and two inches wide at the base. I fertilize it with tea from my ...
5
votes
3answers
2k views

Can portulacas be overwintered indoors?

My portulaca is growing a clump of short stems at the base of the plant like a sedum. The sedums use this to grow the next years growth. Could I dig my portulaca up and overwinter it indoors? Update: ...
9
votes
1answer
382 views

What causes spruce branches to drop their needles?

I have a spruce tree that has a problem. Every year, some branches suddenly drop all of their green needles and die. I would like to prevent this, but I don't know what the cause is. What causes this ...
6
votes
3answers
3k views

How do I stop dog urine from killing grass?

Everywhere I've lived, the dog urine just kills the grass. I've found nothing on the internet and the garden person at the local hardware said it's impossible. Any suggestions?
5
votes
1answer
356 views

Can I cover an evergreen shrub in winter?

I have a small evergreen shrub that gets frost burn in winter. I had been told to use tar paper on it over winter, but I was concerned that since it is a broad-leaved evergreen it might need light in ...
4
votes
1answer
110 views

How should I transition my Thanksgiving Cactus to artificial indoor light?

I have a Thanksgiving Cactus that is getting covered in flower buds but it is getting near the frost date. This plant was outdoors most of the year this year and it has grown like crazy. How do I keep ...
8
votes
1answer
2k views

Why does my pepper plant have yellowing, drying and curling leaves?

One of my pepper plants has so far suffered from pests, blossom end rot and odd skin blemishes. Unfortunately, the plant is now taking a turn for the worse and looking rather unhealthy. The leaves ...
3
votes
2answers
1k views

Why does my English walnut lose its leaves early?

I have an English walnut sapling that grows vigorously all summer, but at the beginning of Fall the leaves dry up and fall. It has been two years now. Is that a problem with the tree?
9
votes
1answer
889 views

How do you save an aloe plant whose stem is weak and appears to be rotting?

I have a large aloe plant that is probably 5 years old and has bloomed twice. Stem is very tall and leaves are approximately 2½ to 3ft (750 to 900mm) long and still very green except at the stem ...
8
votes
2answers
187 views

What could be the cause of death for my carnivorous plants?

In the past year I've had a venus flytrap and two sundews that each arrived healthy, flourished (and ate!) for a month or two, and then died (after which I tried again and bought a new one!). They all ...
9
votes
2answers
676 views

What should I do after a pepper plant has partly broken under its own weight?

So, I'm sitting here on my computer and get the life scared out of me by a horrible cracking, rustling, thudding sound. I turn to find one of my peppers plants has broken - apparently one of the upper ...
5
votes
1answer
562 views

Why is my hosta shrinking?

I have a blue giant hosta. It is in fertile soil and gets plenty of water. I had been dividing it every few years but lately it has started to shrink. I don't want to lose it. How can I get it back? ...
8
votes
2answers
2k views

How do I treat rhubarb rust?

I have a small rhubarb plant and one of the stems has gotten some rust on it. What should I do? (there are only 3 small stems on the plant)
9
votes
3answers
741 views

Cherry sapling has orange dots on its leaves and the tips are wilting. What could be wrong?

I recently planted a cherry tree sapling about two weeks ago. It's about a handspan high, and has four leaves. I noticed that it had orange spots on one of the leaves when I planted it. Click on ...
16
votes
1answer
5k views

Why has my mint plant gone all woody/sparse/stringy?

I grew my mint plant in a pot to contain the roots, and that has worked well for 3-4 months. However, the plant is not really producing fresh leaves now. Is there anything I can do?
7
votes
2answers
76 views

Is it possible to get a plant that is just a genetic dud?

Is it possible that an instance of a plant could just be a dud. As in even with great care it is never healthy?
11
votes
1answer
620 views

How to help a Jade plant heal?

I have a couple of Jade plants ( Crassula ovata ) that I have grown from leaf pieces over the course of the last 10 years or so. This year, for the first time, they appear to have been attacked by ...
8
votes
1answer
1k views

How can I help a sunburned jade tree recover?

I put my jade tree out to get some sun yesterday, and apparently the sun was a little too blazingly direct. Instead of the healthy red edges I was expecting to see, several of the leaves are now ...
7
votes
1answer
1k views

Should you trim off half yellowed leaves on an indoor plant?

My mum has a plant (Aglaonema modestum) which she doesn't quite take care of, and it is messy with dead leaves and half yellow, half green leaves. I find them very ugly and want to trim them off. The ...
7
votes
2answers
1k views

A few leaves on my peppers are showing multiple small holes, should I be worried?

I've noticed that a small number of the leaves on my pepper plants are showing several tiny holes through their surface. These are focused towards the stem of the leaf, and not so much towards the ...
7
votes
2answers
533 views

Cut lupines to the ground, will they grow back next year?

Our lupines (also called lupin in the UK) were done flowering for the year and were harboring an aphid infestation... so I mowed them. Are the "stumps" likely to regrow next year or do the plants rely ...
9
votes
2answers
984 views

What are the disadvantages of having creepers or normal plants indoors?

I never had indoor plants before. Are there disadvantages to having indoor plants in a dusty environment? If the plant is a creeper, is there a way that I can clean its leaves? Probably by spraying ...
6
votes
1answer
764 views

Why do my gardenias turn yellow before they bloom?

My gardenias seem to be happy all year around, but when they bloom, they turn half yellow. Is there a way to keep them green through the bloom phase?
7
votes
1answer
476 views

When should I transfer from pod to pot or ground?

Since the pre-sprouted plant season is in full bloom, what is a good indicator of the time to transfer a pre-sprouted plant? For instance I have a mexi-bell pepper in a plastic pod and two basil ...
8
votes
1answer
450 views

Why did the stem suddenly weaken in my oriental poppy?

I have an oriental poppy 'Patty's Plum' growing in new potting compost in a pot with good drainage. It sits in full sun, and I water it as needed in the recent dry weather. I purchased it from a ...
15
votes
4answers
111 views

How healthy are seedlings sent by mail?

I've never bought seedlings out of seed catalogs, but am sometimes tempted to (especially by the flashy free $20, no obligation seed catalogs). I'm just wondering what the considerations are when ...