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.

To do: Leader must be grown out and foliage kept compact by pinching. Roots must be dug and secured tightly around rock using electrical tape outside of existing plastic wrap.


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