Thursday, July 17, 2008

Growing potatoes


New Zealand sites which give advice on seed potatoes and growing them


http://www.palmers.co.nz/index.cfm?componentID=379

Potatoes are planted in furrows approximately 10cm deep. Early maturing varieties are spaced 25cm apart and main crop varieties 35cm apart. Space the rows 80-100cm apart. Cover the seed potatoes with soil taking care not to damage the shoots.
As soon as shoots appear through the ground, mound soil around them to protect the new growth. Mounding prevents developing potatoes from "greening" and prevents attack from the Potato Tuber Moth. Mounding is essential to produce abundant crops as potatoes form on the stems. Continue mounding until the potatoes start to flower and growth slows down. Mounds should be kept weed free.

http://www.tuigarden.co.nz/potatoes.php

Once you have your seeds spuds, you need to sprout the before you can plant them. You do this by laying them out in a single layer on a seed tray or box in a warm, dry and airy place. Sprouts appear from the "eyes", which are small buds. The "eyes" grow into shoots. When the shoots are 3-4cm long they are ready to plant out. Remove all but three of the strongest shoots for planting. Sprouting usually takes 4-6 weeks. Wood sheds, garages, under benches are all good spots. Once your spuds have sprouted and the threat of frosts has passed you can now plant out your crop.

Desiree

Good for all general cooking, great to microwave
Early main crop, approx 90-100 days

http://nzpotatoes.co.nz/seed_potato_certification.html
info on seed potato certification

http://www.mitre10.co.nz/how_to_guides/gardening/passionate_about_potatoes.cfm
If you want lovely waxy new potatoes (home grown) in time for Christmas dinner then you should plant seed potatoes in August / September.

Potatoes are “gross feeders” in that they require regular feeding throughout the growing season. Use a specially blended potato fertiliser at the recommended rate.

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