Category Archives: Broadleaf Evergreen Species

Rhododendron sp. (Azalea)

Rhododendron spp. (Azalea)

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Family: Ericaceae

Provenance: Collected in good health from a Beacon Hill courtyard garden. Good nebari and vein of deadwood down front. Species undetermined. Approx. 2′ high.

Date Acquired: 7/2015

Approx. Age at Acquisition: ~10 years

Notes:

-8/2015, Potted in potting soil after reducing height to two main branches.

-10/2015, Tree growing vigorously with new shoots all over. Planted in ground.

-4/2016, Tree uprooted and root-pruned; planted in standard 45/45/10 mix in plastic training container.

-6/2016, Tree looking weak with yellow foliage (iron deficiency due to high pH levels in tap water). No new shoots. pH remedied by watering with small amounts of vinegar in water.

-7/2016, Tree fertilized with acid-loving mix to remedy chlorosis.

-9/2016, Tree suffering from infestation of lace bugs with many dechlorinated leaves. New shoots growing all over.

-10/10/2016, Tree fertilized with low-nitrogen fertilizer for dormancy prep.

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

-12/29/16, bottom leader removed to make single curved leader. Wound carved with dremel and sealed. Minuscule branches thinned out and some upper branches wired to shape canopy.

2/25/17, Tree moved outside.

-4/18/17, Tree rootpruned and potted into bonsai pot. Fertilized with acid-loving fertilizer.

-5/3/17, Flower buds removed to improve vigor; one left to photograph. Awkward branches pruned.

-9/4/17, Tree grew strongly through summer. No pruning. Fertilized with ericaceous fertilizer to prevent chlorosis. Leaves lush and green. Slight lace bug infestation.

-1/5/18, Tree grew well through fall with no chlorosis, but suffered from lace bug. Tree hard pruned and wired during November (bad timing!). Tree lost must foliage through winter.. deciduousness or suffering from pruning? Flower buds formed and foliage near apexes retained.

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Enkianthus campanulatus (Red-vein Enkianthus)

Enkianthus campanulatus (Red-vein Enkianthus)

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Family: Ericaceae

Provenance: From cutting. Extra plant from the 2016 Arnold Arboretum plant give-away. Around 3′ high, reduced to ~12″ with multiple trunks.

Date Acquired: 9/2016

Approx. Age at Acquisition: <2 years

Notes:

-9/2016, Left in pot and reduced to ~12″ for storage sake. Repotting next spring.

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

-11/15/2016, Trunks wired into position and senesced leaves removed. Tree moved inside for winter storage.

-2/28/17, Buds beginning to swell with warm temps. Tree uprooted and root pruned, planted into a small bonsai pot to be trained as a mame.

-4/18/17, Tree leafed out and fertilized with acid-loving fertilizer.

-9/4/17, Tree grew strongly through summer. Many new branches.

-1/5/18, Tree grew strongly in fall. Overwintering on porch.