Larix kaempferi (Japanese Larch)

Larix kaempferi (Japanese Larch)

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Family: Pinaceae

Provenance: Volunteer tree collected from Weld Hill meadow at Arnold Arboretum, Boston MA. Around 2-3′ high, growing strongly in lean, rocky soil. Probably a seedling from nearby grove of Japanese larch.

Date Acquired: 9/2016

Approx. Age at Acquisition: ~3 years old


-9/2016, Tree collected and leader reduced. Planted root-over-rock in large training container in 45/45/10 sphagnum mix topped with sphagnum. Tree seems robust.

-10/10/2016, Fertilized with low-nitrogen fertilizer to prep for winter dormancy.

-11/15/2016, All limbs reduced and wired down. New leader selected and wired upward.

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

-2/28/17, Tree uprooted and secured to rock with raffia and plastic wrap. Replanted and moved outside.

-4/18/17, Tree fertilized with acid-loving fertilizer following leafout.

-9/4/17, Tree grew exceptionally through summer. Leader allowed to grow out. Old apex scar carved and healed nicely. Shoots pinched near top of tree. Wire removed as it cut into bark and branches guy-wired downward.

-1/5/18, Tree grew well through fall. Overwintering on back porch. Roots must be arranged/pruned in spring.



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