Starchy tuber crop, member of the perennial Solanaceae

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2answers
41 views

Is it too late to plant potatoes in Dorset, UK in Mid -september?

Is it too late to plant potatoes in Dorset, UK now (Mid-September) ?
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votes
1answer
52 views

Should I still continue to plant a potato that turned green?

When potatoes are exposed to the sun they turn green and become toxic. I wanted to try to chit a potato tuber but I'm scared that when it turns green I will end up harvesting green tubers as well.
9
votes
1answer
96 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 ...
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vote
1answer
69 views

What are the optimal N-P-K levels for fertilizing potatoes?

I have some russet potatoes that seem to be doing well growing in a plastic tub. (This photo was taken near sunset; they do get 8+ hours open sun.) I have a choice between these three fertilizers, ...
6
votes
1answer
87 views

Hard potatoes harvested

First time grower in Michigan, partial shade and probably not the best soil. The red potatoes I got out first were very hard. Why? What can I do to prevent this with the rest of them before they ...
3
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1answer
124 views

Protecting winter potatoes from frost with a growhouse

In the first week of August (2013) I started my first attempt at growing potatoes, in grow bags. Actually got the miracle-gro root vegetable bags from garden centre and seed potatoes, so the mix ...
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?
5
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1answer
266 views

What is this insect with rough brown shell on potatoes?

This insect with a rough brownish shell showed up on potatoes at a friend's house in Vermont. I've looked around in books and online and can't find anything that's an exact match. Current control ...
4
votes
1answer
781 views

Advice on planting potatoes with long sprouts

We have a bunch of potatoes with long sprouts from their eyes. (Actually, we just planted them, but I'll ask the questions I had right before planting.) Should I leave a 12-inch sprout from the ...
5
votes
2answers
927 views

What should I do with some volunteer potatoes growing in my compost pile?

I have two or three potato plants growing in my compost pile. I'm pretty sure they are some red potatoes I tossed after they got too old. I bought them from a local organic produce store. The ...
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, ...
20
votes
6answers
296 views

Is it necessary to purchase seed potatoes?

I recently tried growing potatoes using a method I saw on TV. This is just cutting up potatoes into reasonable sized sections and placing them several inches down. The results have been fantastic. ...
9
votes
1answer
343 views

What's causing my potatoes to wilt?

I'm growing yukon gold potatoes. They've been growing like gangbusters, but this week I noticed some leaf yellowing and wilt on at least 3 plants out of 9. Why are they yellowing? Is it anything to ...
13
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2answers
361 views

Why would healthy potatoes come out tasting dry and crumbly?

I plant maincrop potatoes every year. Last year, I planted 50 Desiree in mid-April, in the usual way (15" apart, in rows 2' apart, in light, sandy soil that had been conditioned and fertilised several ...
22
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2answers
11k views

When should I pile more dirt onto a growing potato plant?

I've heard that I should be piling dirt onto my potato plants as they grow so that I end up with little mounds. My potato plants have started to poke through the surface. Should I totally cover ...
10
votes
1answer
557 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 ...