My agave is very large and the green plant is now turning pink and light green and drooping. Is it getting too much or too little water?
This is likely root rot and overwatering is the most common cause along with poorly draining soil.
This article may help you.
https://www.gardeningknowhow.com/ornamental/cacti-succulents/agave/treat-agave-root-rot.htm
My 30 year old agave is on my patio. So far I had taken it into my garage during winter, this year I had to leave it outdoors as it is too wide to pass through any door. I wrapped it in fleece over the frosty winter period, but it has developed brown rot on the top, although it keeps growing new leaves and a lot of young plants, most of which I have removed.
Unfortunately, this is a sign that it has been left too wet for too long. These are desert plants, and need to remain pretty dry throughout the year.
You can try a handful DOLOMITIC lime and a tablespoon or so of WETTABLE sulfur.
It will be almost impossible to find dolomitic lime in your country, unlike here in the US. You can find hydrated lime, but this is decently toxic, and very caustic if used improperly.
You will have to find DOLOMITIC lime online. This is simply a mined formed of calcium carbonate and magnesium carbonate.
The sulfur must be wettable and contain a wetting agent to work properly.
It is possible that you may lose the larger Agave, but treating the smaller plants may be quite effective.
This article will give you more information on the care of these plants: https://www.gardeningknowhow.com/ornamental/cacti-succulents/agave/growing-agave-plants-in-pots.htm
Hi This is not really a question but rather an answer. I read some of your info on the Agave plant. One of the issues is what to do with its huge flower stalk. Well one fun answer is to make some musical instruments. In my website www.apachefiddle.com you'll see that I have made over a hundred all different. Feel free to have fun with it. I'm not trying to flog anything, just pass on the message about this wonderful plant that the Apache call "the wood that sings" Robert
Thank you for this information, we enjoy hearing from gardeners and their tips!
I have many Agave plants and they all produce offsets , but one of my plants produces an occasional all yellow pup. Why is this ? What is going on with the yellow ones. I know I don’t overwater them and none of my other Agave do this.
This one may have a variegated sector. It's hard to say without seeing more of the plant, and knowing more about the care.
If this is the only plant doing so, then my best guess is variegation. If you transplant the pup and it still retains its variegation, then you may try and have it to produce pups. You may get some neat patterns down the genetic line.
Here is an article for more information on Agave: https://www.gardeningknowhow.com/ornamental/cacti-succulents/agave/growing-agave.htm
I have a agave attenuata on my balcony which gets plenty of sun and we water it whenever the soil is dry however the bottom leaves are turning yellow and curling. I don’t know if this is what happens with older leaves as the plant ages. The new leaves are green and look very healthy.
It can be due to age, but this is not the case here. This plant will need fertilization- quite often.
These are semi-heavy feeders, and will require moderate fertilization with a liquid 20-20-20. At least once per month during the active growing seasons.
These articles will help: https://www.gardeningknowhow.com/ornamental/cacti-succulents/agave/growing-agave-plants-in-pots.htm
https://www.gardeningknowhow.com/ornamental/cacti-succulents/agave/common-agave-plant-varieties.htm
wave-like black spots on the bottom leaves. Is this fixable? I love agave, just don’t know proper up keep. It is shaded by the house until about noon then has sun until sunset. I’m unsure how long it has been here as we moved in only a few months ago. It is quite big and has three smaller plants below it that are also yellowing. It is about 6-8 feet away from the pool. Some leaves have white crusty (calcium?) stuff on them.
I would test that soil. It looks a bit like nutrient burn, but it could be that the soil is too compact and holds too much moisture under.
It looks to be infected with downy mildew, as well. This can happen if it is overly humid.
Here are some articles that will help you, here:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
https://www.gardeningknowhow.com/ornamental/cacti-succulents/agave/growing-agave.htm
I have a fairly large agave growing in a flower bed in our yard. It has several "puppies" growing around it. A week or so ago, I noticed a small "stalk" growing up, next to one of the puppies. I'd never seen any others of these in the 7 or 8 years we've had the plant. It's now around 4 feet high, and has some buds on it, like maybe we're going to get some blooms. Is this normal? Something we can expect more of?
This is an agave flower stalk! There will be no concern, here. You can leave it, or you can cut it with no harm done.
Here is an article for more information on the care of Agave:
https://www.gardeningknowhow.com/ornamental/cacti-succulents/agave/growing-agave.htm