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potatoes in pots
I'm growing Nadine potatoes in those large black plastic potato bags (sort
of like heavy-duty, short bin liners). This is the first time I've ever grown spuds. The soil is now up to the top of the bags, but there's loads of tall stems and leaves above the soil. They're just beginning to show flower buds. Do I simply leave them and dig around when I want the potatoes, or is there a correct time to harvest? Thanks. |
#2
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The message
from "Gilly" contains these words: I'm growing Nadine potatoes in those large black plastic potato bags (sort of like heavy-duty, short bin liners). This is the first time I've ever grown spuds. The soil is now up to the top of the bags, but there's loads of tall stems and leaves above the soil. They're just beginning to show flower buds. I tried that and the best I can say is that it's better than doing nothing. Do I simply leave them and dig around when I want the potatoes, or is there a correct time to harvest? That depends whether you want new potatoes or not-quite-so-new ones. I'd remove the flowers to increase the crop of spuds, and then you can choose: dig new potatoes when the foliage is mature, not-so-new ones just before the foliage begins to die off, or slightly older ones when the haulm has died. If you want to keep the spuds, you should not dig them until a fortnight or three weeks after the haulm has died off. (Or been killed off. Commercially, strong sulphuric acid is used, but I'm not recommending that.) -- Rusty Emus to: horrid dot squeak snailything zetnet point co full-stop uk http://www.users.zetnet.co.uk/hi-fi/ |
#3
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"michael adams" wrote in message ... "Gilly" wrote in message ... I'm growing Nadine potatoes in those large black plastic potato bags (sort of like heavy-duty, short bin liners). This is the first time I've ever grown spuds. The soil is now up to the top of the bags, but there's loads of tall stems and leaves above the soil. They're just beginning to show flower buds. Do I simply leave them and dig around when I want the potatoes, or is there a correct time to harvest? Thanks. Without being whimsical, or stating the blindingly obvious, the correct* time to harvest is when the potataos are big enough to prepare and eat - the normal recommendation being when they're the size of a hen's egg. This is usually once the flowers have begun to open. i.e the earliest feasible time. The size of the tops isn't necessarily any guide, as this is dependant on the amount of nitogen given. ISTR having too large a top can be regarded as a fault in cultivation, the ideal being a balance between energy going into the tops and the tubers. Providing the tubers aren't green from exposure to the sun - oxalic poisoning - they're edible at any time. The only difference is that with main crop potatos intended for storage, the skins need to be fairly tough so as offer protection. And so they're left in the ground both to increase in bulk, and so as to allow the skins to thicken. If you grow new potatoes in pots rather than plastic sacks its quite possible - providing the soil ball holds together to gently tip the lot out, remove the largest tubers, fill the gaps with fresh compost and replace the lot in the pot. Its isn't necessary to rip the whole root system apart. Its also possible to reach down the sides of the container between the wall and the compost to check the size of the tubers - although contrarily, the largest tubers are often in the centre of the plant. Indeed, some people prefer to ferret around the roots by hand and pick off any potatoes that they feel are ready, and leave the smaller potatoes in situ until they get large enough, Andy. |
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