Gardening and Landscaping Stack Exchange
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What type of dandelion is this?

Years ago, hiking in the Malibu CA region, I saw this very unusual inflorescence that looked like a dandelion but isn't like any that I've ever seen before or since. The yellow flowers in the corner of the picture might give a hint as to what plant…
heropup
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If I use synthetic oil in my lawn tractor, can I go more than a year between oil changes?

I have a riding lawn tractor with a 460 cc Kohler engine. The manual says to change the oil every year. This year, I noticed the price of conventional and synthetic oil was about the same, so I wondered if I could buy synthetic oil and go perhaps…
Edward Brey
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What is the best way to identify a Saintpaulia (African violet)?

Several times, I have had Saintpaulias (African violets) in unlabeled pots. I tried finding the variety name through several sites and they all looked different. How can I identify them?
J. Musser
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Why did my fig tree stop making fruit?

Six years ago I planted a fig tree that was given to me. I was told it was a "dwarf" fig but there has never been anything dwarf about it. Within a couple of years of planting the tree it began producing very large (nearly the size of an egg) figs…
Rick
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Does Rebutia grow better when grafted onto an Echinopsis?

I have tried growing rebutias before, and failed because the plants lacked vigor and grew slowly. Would they do better if I flat-grafted it onto a columnar Echinopsis, to increase vigor? Are there any better rootstocks? Should I use a columnar type…
J. Musser
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What are methods of increasing the protein content of garden vegetables?

I read a random article about the effects of a certain fertilizer on tomatoes and how it happened to increase the protein content of the tomatoes relative to other fertilizers (1, 2) and it piqued my interest. I've also read that wheat grown at…
Ross Rogers
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What is this screening tree, growing in South Australia?

Can anyone identify this screening tree/hedge growing in the Adelaide plains, South Australia? Any family or clade suggestions will help! I'd like to propagate it next to the fences in our own backyard because it looks hardy and demonstrates…
Lisa
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What is this pine tree with long pendulous needles and vivid purple flowers?

Having looked around the net I think the tree in the photos here is a Western White Pine - certainly the cone seems to suggest that - but the very long pendulous needles and the vivid purple flowers seem somewhat at odds with the other photos I've…
rivimey
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Fruit thinning - is that really required?

I have some multi-varietal fruit trees (primarily apples and pears) that are starting to fruit in bunches of 3-4 per cluster. I am debating whether I should thin these clusters to 1-2 fruits (breaks my heart to lose 2 fruits per cluster) or let…
JStorage
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Does pruning a plum tree to maintain its size and shape prevent it from fruiting?

I have a plum tree that is around six years old (possibly a year or two older - I forget exactly when I got it). I'm very keen that the tree not get so big that I have to use a ladder to pick the fruit, so I've been pruning it to keep it around two…
John Rennie
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Should I take seed casings off newly sprouted cucumber seedlings?

I have planted some cucumbers (forgot what species) and they have all sprouted, however, I have noticed that one still has the seed shell/case thing (not sure how to describe it). I am not planning on doing anything to it but it got me wondering,…
sir_ian
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Please help identify this aggressive vine?

I live in the Boston area, and this vine is growing in the public land behind my property. The vine is a very aggressive grower and will overtake anything in it's path, including my fence. I've ripped out several hundred square feet of it already,…
Pbaz
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Beet plant - leaves turning yellow-brown

I have a beet plant that I grew from seeds. They started off great and healthy. In fact I plucked some leaves to use in a salad. After that some of the leaves are turning yellow and drying up. What could possibly be the reason?
JStorage
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What could this object in a tree be?

This is in a domestic garden, in Cornwall, UK. What is it?
Stewart
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Is using tomato slices really viable for starting seedlings?

This seems to be doing the rounds lately. I saw it on pinterest last night. Basically you take a slice of a ripe tomato, place it on some potting mix and then cover it. 10 days later you get tomato seedlings. The issue I have with this is that…
Graham Chiu
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