Saturday, April 28, 2012

Planting Herbs in Container.....yes or no?

 Thanks for the question Kelli Jo. She was wondering about growing basil, dill, mint, rosemary & sage together in a container. The quick answer is yes, if the container is large enough. My list of considerations:
  • if it's more for looks, than these 5 would do okay in a 4-5 gallon pot. (yes it's large)
  • if you really want to harvest reasonable amounts, than plant each in it's own 2 gallon pot
  • containers normally need water daily, unlike plants in garden beds
  • if the container is too small, eventually some of the 5 will take over and the rest will suffer
 Above is dill that will typically re-seed itself, even in the same season! Dill is usually at least 18" tall.
 Peppermint is above. Mostly all the mints are invasive if allowed in the garden beds unchecked. Most will winter over in a pot, it the pot is big enough in relevance to the rootball. If the plant is over grown, and a large amount of roots are up against the sides the pot, there is no winter protection. Late fall, good time to repot to a larger size w/o disturbing the root ball so you can offer a few inches of soil protection around the rootball.
 Rosemary will seldom if ever winter over. It would be the shortest in your group. Some folks try to winter over indoors, a lot of work w/little success.
Very hardy. Many types are biennials, only lasting 2 years. Earthworks carries true perennial sage. I love them mixed in the perennial bed as they offer a contrasting texture and color. They are slow to rebound in the spring, so don't dig and toss too early! These winter over well in pots, but again it is the rootball vs. pot size issue.
Hope that has given you ideas!

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