PlantsOxydendrum→Sourwood (Oxydendrum arboreum)

Common names:
Give a thumbs up Sourwood
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Give a thumbs up Lily of the Valley Tree

General Plant Information (Edit)
Plant Habit: Tree
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Mesic
Soil pH Preferences: Very strongly acid (4.5 – 5.0)
Strongly acid (5.1 – 5.5)
Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 20 to 50 feet (6-15m)
Plant Spread: 15 to 25 feet (4.6-7.6m)
Leaves: Good fall color
Fruit: Showy
Fruiting Time: Fall
Flowers: Showy
Flower Color: White
Flower Time: Summer
Suitable Locations: Patio/Ornamental/Small Tree
Wildlife Attractant: Bees
Resistances: Salt tolerant
Containers: Not suitable for containers
Miscellaneous: Monoecious

This tree is easy to spot amongst the others!

Honey Bees in the Garden:  JuneHoney Bees in the Garden: June
By Mindy03 on June 1, 2011

June brings the end of school, Father's Day and summer. Summer brings hot weather and plants may need extra water. Honey bees will also need extra water to keep the hive cool.

(Full article7 comments)
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This plant is tagged in:

Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Jan 17, 2018 9:39 PM

Sourwood grows in upland sites in or around forest from southwest Pennsylvania and southeast Ohio down to northwest Florida into Louisiana up into areas of Kentucky. It grows about 1 foot/year and lives about 150 to 200 years. It has thick, glossy, leathery leaves that turn a good red in autumn. The small, bell-like, slightly fragrant flowers are in curving spikes in July followed by tan capsules in late summer and fall. Its root system has some deep lateral roots so it is somewhat difficult to transplant and is best to move in early spring. It is expensive to buy so that it is used mostly by landscape designers in some professional landscapes, mostly in the South, the Mid-Atlantic, and the Northeast; infrequently in some areas of the Midwest where the soil is definitely acid. It is a beautiful, high quality small to medium tree.

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Posted by Mindy03 (Delta KY) on May 3, 2012 2:19 PM

Honey bees get nectar from this plant which produces a light amber honey.

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Posted by SongofJoy (Clarksville, TN - Zone 6b) on Dec 9, 2012 8:55 AM

One of my favorite trees here because of its blazing red Autumn leaf color and beautiful flowers in the summertime. It grows best in acidic soil.

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Discussion Threads about this plant
Thread Title Last Reply Replies
This Tree has me Stumped (Ohio) by wallyblackburn May 17, 2019 3:01 PM 10
What tree am i? by IJsbrandtGA Jul 2, 2017 10:05 AM 6
What kind of leaf is this? by ticklesmepink Oct 23, 2016 2:16 PM 5
What is this Tiger Swallowtail nectaring on? by mellielong Aug 6, 2016 9:35 AM 3
Salt tolerant plants by eclayne Oct 10, 2020 8:42 PM 133

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