Week 22 – Planting Potatoes

Potatoes are one of the easiest vegetables you can grow, but they prefer cool weather. Think about where they originated – mountains of Peru, and where they grow well – Ireland, Maine, and Idaho (all cool weather environments). You should try to get them into the ground at the right time. Here in Southern California, according to digitalseed.com the right time is now.
If you want to grow potatoes, you should plant seed potatoes. A seed potato is nothing more than a piece of a potato with an “eye”. Potatoes from the supermarket should not be used as seed potatoes as they are bred not to form eyes (keeps them fresh on the shelves longer). Visit your garden center or order from specialty seed catalogs for seed potatoes.
Potatoes grow best in soft loamy soil and in full sun. Add plenty of compost prior to planting , to create a rich, loose soil that retains water, yet is well draining. Soil should be slightly acidic to avoid potato scab. Plant “eyes” in hills, two to three eyes per hill, and cover with 3″ of garden soil. Space hills one foot apart. As the plants grow, mound additional soil around the plants every week or two. Do not let the tubers or potatoes be exposed to sunlight. You can cover the soil around the plants with compost or mulch.
Below is a picture of a potato flower. From this picture can you tell what family the potato is in.

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