For questions about using the correct terminology

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3
votes
2answers
113 views

Is corn a fruit or a vegetable or a nut?

I've been debating with my friends whether or not corn kernels are considered to be fruits or vegetables or nuts. To my knowledge, a fruit is defined as "an over ripened ovum" of a plant's seed. A ...
1
vote
3answers
5k views

What is the difference between a spade and a shovel?

I was just reading this article, When would I prefer a shovel with a rounded blade over one with a pointed blade?. The answers said something like, "That's a spade not a shovel". So what is the ...
3
votes
2answers
137 views

Difference between Espalier and Topiary

I'm looking into decorative Topiary. In my studies I've come across a similar process called Espalier. They're both shaped trees. Here's my question: What is the difference between espalier and ...
2
votes
1answer
66 views

Mange Tout/Peas & Courgettes/Marrows

Is a mange tout merely an immature pea and there's nothing more to it than that? And while we're at it, is a courgette (zucchino for Americans & Italians) just an immature marrow and that's all? ...
6
votes
1answer
128 views

What does PVP mean?

For a while, when I looked at plants in catalogs, I thought that PVP was part of the name of the plant until I saw the same name without it. What does it mean?
6
votes
1answer
114 views

What to call this latex material used to tie trees?

I got some special hollow (rope/wire/string/tube - I don't know how to call it) - it is green and made of latex about 4 or 5 mm in diameter and used to tie young trees to prevent wind damage. Can ...
8
votes
3answers
172 views

What is considered a “cool climate” for cool climate plants? Can these plants better survive temporary frost?

Is a "cool climate" one that doesn't freeze? Is it one that doesn't freeze until such-and-such a month? Or is it one where the temperature almost always stays above freezing? Related to this, would ...
9
votes
2answers
182 views

What is hardiness zone?

Several questions here refer to (hardiness) zone 6a, 7, 5-8... What is hardiness zone exactly? Is it determined by only the temperature (maximum, minimum) or are there other factors?
12
votes
4answers
284 views

Are “minerals” and “nutrients” the same thing?

Some good answers on this question: Is it worth spreading ash on the vegetable plot?. But one answer says: I can't think of any minerals that would be present and the other upvoted answer ...
8
votes
1answer
331 views

“Forcing rhubarb” - what does that mean?

In the question Forcing rhubarb - alternatives to fancy forcing jars?, the poster is asking how to "force rhubarb". What does that mean? The house we bought has a rhubarb plant in the yard, but I ...