Tuesday, March 26, 2019

Better home-grown strawberries in 2019!

This year I'm really getting honest with myself about growing strawberries. In the past I've thrown a few plants into the ground, got a year of large, delicious fruit, then spotty, diminishing production in subsequent years until I give up, rip them out and start again. Even in good seasons I had problems with mold and with critters eating the fruit. Overall, strawberries have been disappointing in my garden.
It was during a  NOFA RI tour of Sweet Berry Farm in Middletown Rhode Island this summer that I faced the truth -- my strawberry crop was inconsistent or bad because I'd been lazy.
I looked out across the neatly spaced rows of berry plants surrounded by straw and vowed to do better.
Here is a pic of the bed in December:


 The three key tasks for maintaining my berry patch are: cleaning up old foliage and creating spaced rows, transplanting runners, and mulching for air flow and raising the berries off the ground.
Yesterday I began my renovation by trimming and raking a wheelbarrow load of old foliage and stems out of the patch. I should have done the cleaning in late fall, but spring is ok as long as it's early.
 I ruthlessly dug out runners (baby plants still connected to their parents) to create three rows of crowns about a foot apart. I learned this summer that thinning actually leads to more fruit, as the remaining plants have room to grow and the better airflow between plants reduces the chances of disease.
Next I sorted the runners, discarding those with mostly old dead roots. Then I planted three rows of runners in a new bed. These are for next year- I'll pinch off any flowers this season to let them concentrate on strong growth that will produce lots of berries in 2020. I was careful to position the crowns of the runners flush with the soil level-- too high or too low can result in struggling, unproductive plants.
Here's the bed after all this work:


 Next year I'll pull out the plants that fruited this year (they get less productive after 2 or 3 years), add compost to the bed, and replant with runners. To have good productivity  in the home garden really takes two or three beds of strawberries in rotation.
I fertilized both beds with 10-10-10, but did not add any lime or wood ash. My soil PH is a consistent 6, perfect for strawberries, which like a PH between 5.5-6.5.
Next I'm going to chop up some  dead and yellowed top growth ( excluding flower heads) from my bed of tall grasses, and put  this straw in the aisles and under the foliage as mulch to suppress weeds and (again) maintain good air flow.  If I don't have enough I'll buy some straw.
And I vow to keep the beds weeded!  Grasses are the main weed pest of my strawberry beds.  Left unchecked they steal much needed water from growing berries.
What about the critters eating the berries? I plan to use bird netting on low hoops over the bed, starting before the berries are red.  This will deter most of the birds. I'll still lose some berries to chipmunks, but with greater productivity that shouldn't be a big problem.
I've also had issues with rabbits eating strawberry foliage in the past, but only plants in the ground rather than in raised beds. The foliage seems to be an opportunistic rather than a preferred crop, and the bunnies don't bother to try to climb into the raised beds to eat the berry foliage.
All that work yesterday only took about an hour. It's really not much to do in exchange for sweet home grown berries, so much better than store bought!




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