Pinus rigida (Pitch Pine)

Pinus rigida

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Family: Pinaceae

Provenance: Collected from granite slope on Whipple Hill, Lexington, MA in grove of promising pitch pines. Most roots intact with ample mycorrhizae.

Date Acquired: 4/13/16

Approx. Age at Acquisition: ~8-10 years


-4/13/2016, Tree collected and planted in wooden training box in 1/2 grit, 1/2 turface mix. Trunk reduced from around 5′ to 2.5′ at time of collection. Many suckers from large basal burl.

-5/2016, Tree budding all over. Upper branches wired. Suckers to be gradually removed. New unwanted buds removed to balance vigor.

-7/2016, One large basal sucker removed, new buds have leafed out, new needles much larger, 3-4″.

-9/2016, All basal suckers removed and new buds removed. Wire removed after substantial trunk thickening with some scaring.

-11/15/2016, Two major limbs removed and stubs left to be jinned.

-12/5/16, tree brought inside for winter storage.

-12/15/16, tree lightly rootpruned and repotted into large ceramic bonsai pot.

-2/28/17, After frustration trying to establish a suitable design for this tree, most branches removed and single leader branch at apex left to become new branches and apex. Leader removed and carved.

-9/4/17, Tree grew strongly through summer. New candles pinched back before expanding fully. New buds removed through growing season. Late summer foliage expanded only a few centimeters.

-1/5/18, Tree grew strongly, shed old needles in fall. New pruned foliage only expanded a few cm. Tree wired upward in Nov. Dormant on porch.


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