Use this tag for questions on plants with an underground edible part that is used as a vegetable. Examples: Carrots, beets, potatoes, onions, ginger, etc.

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2
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3answers
48 views

What are some good combinations of plants & practices for raised beds to maximize efficiency/output?

As an example of what I am asking I provided one answer: Lettuce/spinach grow well in the empty spaces around the base of pepper plants. Pepper plants don't grow too tall and aren't ...
4
votes
2answers
186 views

When should I harvest my carrots?

I live in central Ohio, zone 6a. Last year I harvested my carrots right after Labor Day (first Monday of September) and they were pretty nice. I've been picking them as needed this year, but I'm ...
7
votes
1answer
271 views

What to do about carrots that don't seem to be growing?

It's my first time growing carrots and the leaves don't seem to have grown in the last fortnight. I'm worried that there's something wrong but there're no obvious problems as the leaves are still ...
9
votes
1answer
100 views

How can I ensure a crop of potato seeds?

Background: I did an experiment where I put the cut seed potatoes directly onto a live lawn, and then covered with 4" of premium bark mulch. The plants did exceptionally well, and I noticed that a ...
3
votes
1answer
110 views

Is harvesting purple potatoes any different than white potatoes?

We are trying to grow purple potatoes for the first time, and the plants look really nice. I am wondering if harvesting them is any different than for white potatoes?
2
votes
1answer
235 views

Growing onions from an onion

I would like to experiment on growing onions form an onion, instead of buying each year seeds, sets or little plants. I heard that planting one onion does not immediately gives more onions. Opposite ...
5
votes
2answers
120 views

How do I cultivate ginger from a piece of root?

A month back, I planted a small portion of Ginger root in a pot and watered it moderately every day. Seeing no results so far, today I cleared the pot and saw that Ginger root had started to decompose ...
4
votes
2answers
153 views

How do I increase the chance of growing a garlic plant from a clove?

A while back I threw out some spoiled-looking garlic cloves only to find them growing quite well in my compost. I'd like to try planting a few (in a container, not the open ground). Can I simply ...
3
votes
1answer
375 views

Zone 4b: When should I start planting vegetable garden seedlings?

When should I start planting seedlings for the vegetable garden that we're going to start this year? As the question says, I live in zone 4b and we're planning on zone specific vegetables & ...
4
votes
1answer
117 views

How do I start sweet potatoes off?

Do you have to plant the sweet potatoes first and make sprouts, then cut vines off of these sprouts and put them in water? Can you just cut your potatoes in half and put them into water and ...
9
votes
1answer
777 views

How long does it take to start sweet potato slips?

@Om Patange asked this in a comment on this sweet potato question and I'm curious about the answer: How long does each step [in starting sweet potato slips] take? I ask to know how long before ...
6
votes
3answers
365 views

Is it safe to use vegetables which have experienced several frosts?

Most people are aware that once you've had foods out of the freezer and allowed them to thaw, you shouldn't put them back in your freezer. But what about frost hardy plants like leeks? I've just ...
14
votes
3answers
8k views

How do I know when to harvest my potatoes?

I'm sure I've heard before that the time to harvest potatoes is when the flowers fall off. Is that right or is it more complicated than that? For example, does it differ based on climate or variety, ...
7
votes
2answers
297 views

Is the “Paris Market” carrot a good variety for clay-rich soil?

I have tried growing carrots now and then, but they were always twisting around all of the rocks and squeezing through the clay, and I basically got a bad crop of strong flavored, tough carrots that ...
5
votes
3answers
1k views

Are woodlice eating my carrots?

I lifted some carrots this evening. It being December these are carrots which have been in the ground some time. They're big and fat, they need cleaning up and the damage needs cutting out, but ...
6
votes
1answer
470 views

Why does my sweet potato have stunted growth with wide, flattened stems and dense leaves?

My sweet potato plant has a severely widened and flattened stem and grows like a band, with dense leaves and stunted growth. What is wrong with it?
9
votes
1answer
422 views

Should I earth up my radishes to prevent them from being eaten or should I pull them out?

My back yard lacks a bit of sunshine so things don't grow as fast, but they do grow. I've recently planted radishes for the first time and they have already started pushing out of the ground, however ...
10
votes
1answer
320 views

How can I grow my own sweet potato starts?

I have always used pre-grown sweet potato slips, but since the source of sweet potatoes I have been using is unreliable, I am looking for how to grow my own in fairly large quantities. How should I ...
6
votes
1answer
1k views

Why are my carrots white in the center?

We harvested all of the remaining carrots in our garden, and to our surprise a large number of them are white or bright yellow in the center, rather than being orange all the way through. The white ...
9
votes
1answer
1k views

How and for how long can home-grown onions be stored?

How should I prepare home-grown white or yellow onions for long-term storage? This answer says the ideal conditions for storing onion sets for re-planting and storing mature onions is the same, but ...
7
votes
2answers
1k views

Why were my parsnips fat with a woody core?

The last (and only) time I tried growing parsnips ("Harris Model") a couple of years ago, they ended up much "fatter" than the parsnips I've typically seen in the store and in pictures. Instead of ...
8
votes
1answer
110 views

Late-sown Carrots: any particular problems?

I usually sow carrots in early June for lifting in September. This year, I am planning to sow a short-rooted variety in August, for harvesting in November-December, and will use a fleece grow tunnel ...
10
votes
2answers
180 views

Can I harvest beetroot early as “micro beetroots”?

I bought a pack of beetroot seeds today, but there are a lot more than I thought (250). Seems like farm sort of quantities far more than my window sill can hold. Anyway, I had the idea to grow them ...
18
votes
1answer
977 views

My second year garlic has flowers. Is it safe to eat?

Apparently I didn't find all my garlic bulbs last fall and they grew to 4 feet tall this spring. They have a large, white flower head. I want to try cooking with it, but don't want to risk my ...
6
votes
1answer
334 views

How are root vegetables grown in hot climates?

In previous answers, I've mentioned our general lack of success growing root vegetables in North Texas. Carrots and beetroots do not do well at all - roots are few and small. Onions and potatoes do ...
14
votes
1answer
351 views

Should I knock over the tops of onions when they get to a certain height?

I was told two years ago that it is a good idea to knock over the top of an onion plant to encourage it to grow bigger in the middle. That worked good two years ago, but it didn't work at all last ...
14
votes
2answers
558 views

Why don't my radishes swell up?

When I grow radishes, I find that some of them don't swell up to form the globe I expect; instead the root stays thin. These are planted in the same bed and at the same time as radishes that do ...
31
votes
6answers
925 views

Crop rotation theory v. practice

Every guide to growing vegetables will have an early section on rotating roots, brassicas and legumes. There might even be a little diagram with neat evenly spaced and sized areas marked out for each ...
10
votes
1answer
558 views

How do I grow sweet potatoes in a pot?

I planted some attractive sweet potato vines in a 6 inch deep pot -- about 1.5 ft in diameter. I didn't expect them to grow extensively. However, with watering regularly, they certainly are growing ...
13
votes
3answers
1k views

Why are we instructed not to use manure before planting carrots?

It's said that we shouldn't use manure when preparing ground intended for carrots. Is it that carrots don't thrive on manure, or is it that they fork and splinter too much? What about other roots? ...
18
votes
3answers
667 views

How do I grow root vegetables in pots/grow-bags?

We have a flat (apartment) with no garden, but would love to grow root vegetables such as potatoes and carrots. Is it possible to grow these in a pot, container or grow-bag, or do they need too much ...