Ring-cupped oak - Quercus glauca (Care, Characteristics, Symbolism, Images)

Ring-cupped oak

Ring-cupped oak (Quercus glauca) is an evergreen tree that can grow from 14 to 18 m tall. New foliage is a distinctive purple that turns green as the leaves mature. Blooms in spring with brownish catkin flowers. Produces acorns in summer and fall, providing food for small animals. Thrives in full sun to partial shade.

Scientific classification

Species

Ring-cupped oak (Quercus glauca)

Beeches, walnuts, and allied trees

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Perennial

Lifespan

Tree

Plant Type

Spring

Bloom Time

8 m to 12 m

Plant Height

8 m to 11 m

Spread

Green, Blue, Purple, Bronze

Leaf Color

5 - 32 ℃

Ideal Temperature

Images of Ring-cupped oak

Distribution of Ring-cupped oak

Distribution Map

Ring-cupped oak naturally populates the temperate and subtropical forests of Eastern and South Asia. It has been successfully introduced and cultivated in regions that match its native climate preferences. Although cultivation has expanded its presence, ring-cupped oak remains distinctly representative of its origins, thriving in environments similar to its native habitat.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Moist forests and ravines, not gregarious.

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Strength

Interesting Facts

There are many legends that surround oak trees, believed by Greeks to be sacred. One such story tells of a black dove who flew from Egypt to Dodona, Greece bestowing the oak grove with the power of prophesy. That power was proven when an oracle was gifted with the ability to predict the future while in the endowed oak grove.

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Toxicity

Ring-cupped oak poses a mild toxicity risk to humans, cats, and dogs. All parts of the plant, including leaves and stems, contain tannins that can cause gastrointestinal symptoms (nausea, vomiting, diarrhea) upon ingestion. Human symptoms may include stomach pain and headaches. Pet symptoms in cats and dogs include vomiting and diarrhea. Immediate veterinary care is essential if ingestion occurs.}

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Care Guide for Ring-cupped oak

Every 2-3 weeks

Water

Full sun

Sunlight

5 - 32 ℃

Ideal Temperature

Water: Ring-cupped oak thrives in environments with fluctuating moisture, tolerating periods of drought. Water every 2-3 weeks to mimic natural cycles, with reduced watering during dormancy. Adapted to temperate zones, ring-cupped oak's growth is influenced by seasonal rainfall patterns.

Fertilize: For optimal growth, ring-cupped oak requires balanced nutrition with a preference for high nitrogen fertilizers during active growth. Fertilize biannually in spring and fall, following label instructions to prevent root burn. Use slow-release formulas for continuous benefits, ensuring even distribution and thorough watering afterward.

Pruning: Ring-cupped oak is an evergreen oak featuring glossy leaves and a dense canopy. Prune from early to late winter using thinning cuts to enhance air circulation and maintain form. Regular pruning prevents disease and encourages growth; avoid over-pruning to minimize stress on the plant.

Propagation: Ring-cupped oak propagation is best achieved through freshly harvested seeds that undergo cold stratification for optimal germination. Sow them in well-draining soil in a shaded bed. Regular watering is important, and a loamy-sandy mix promotes healthy roots while preventing diseases. Handle seedlings carefully during transplanting.

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Images of Ring-cupped oak

Distribution of Ring-cupped oak

Culture

Toxicity

Care Guide for Ring-cupped oak

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