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#6924
SEA URCHIN EASTERN WHITE PINE
Pinus strobus 'Sea Urchin'
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Root Pouch 5 gallon
(SKU: 20513)
0 - Available Now -
Details
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Grown in Root Pouch®.
List Price $105.00 Per Plant
Hardiness Zone: 3-8 · Mature Height: 18-24 Inches · Mature Spread: 18-24 Inches
If you've ever wanted a conifer that behaves itself, Sea Urchin Eastern White Pine is your answer. This miniature Eastern White Pine forms a tight, rounded mound of soft bluish-green needles that genuinely resembles its ocean-inspired name. The texture is plush yet architectural—like a living pincushion placed perfectly in the landscape. Discovered as a witches' broom mutation and selected by Dr. Sidney Waxman, it carries serious collector credentials. It's compact by nature, not by pruning.
Growth is delightfully unhurried, averaging only about 1–2 inches per year. Over time, Sea Urchin Eastern White Pine is expected to form a flattened globe that feels intentional and composed. The needles grow in bundles of five, classic to Eastern White Pine, and maintain a cool blue-green tone throughout the year. Even in winter, when many plants retreat visually, this one holds its shape and color with quiet confidence. It's structure without drama—and without maintenance headaches.
Botanically known as Sea Urchin Eastern White Pine, this dwarf selection thrives in Zones 3–8 and prefers well-drained, slightly acidic soil. It performs best in full sun and cooler, humid climates where white pines naturally excel. While Eastern White Pines can grow into towering giants, this selection keeps everything scaled down and refined. If you're building a layered garden with texture, contrast, and year-round interest, Sea Urchin Eastern White Pine brings a rare combination of discipline and charm.
SEA URCHIN EASTERN WHITE PINE Plant Characteristics
Bark Type*
| • | Rough |
Brand*
| • | Iseli Nursery |
Cultural Information*
| • | Leaf Scorch - High Resistance |
| • | Leaf Spot - High Resistance |
| • | Powdery Mildew - High Resistance |
| • | Root Rot - High Resistance |
Flower Color*
| • | Bronze/Tan/Brown |
Fruit Type*
| • | Non-Edible Fruit |
Growth Rate*
| • | Slow |
Leaf Color Fall*
| • | Green |
Leaf Color Spring*
| • | Green |
Leaf Color Summer*
| • | Green |
Plant Type*
| • | Conifer |
Preferred Soil Conditions*
| • | Adapts Well to Most Soil Types |
| • | Average |
| • | Drought Tolerant |
| • | Moist |
| • | Prefers Low pH (Acidic Soils) |
| • | Well-Drained |
Season of Interest*
| • | Early Spring |
| • | Fall |
| • | Late Spring/Early Summer |
| • | Late Summer/Early Autumn |
| • | Spring |
| • | Summer |
| • | Winter |
| • | Year-Round |
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SEA URCHIN EASTERN WHITE PINE Homeowner Growing & Maintenance Tips
- Recommended Soil:
- Prefers acidic, well-drained soil with moderate organic matter.
- Performs best in fertile soils with consistent moisture.
- Intolerant of alkaline conditions and heavy, compacted clay.
- Avoid poorly drained sites to protect roots.
- Sun Exposure:
- Thrives in full sun for densest growth and best color.
- Tolerates light shade but may lose compact density.
- Best performance in cooler summer climates.
- Open exposure improves airflow and needle health.
- Irrigation Needs:
- Maintain medium moisture during establishment.
- Once established, moderately tolerant of short dry periods.
- Avoid prolonged soggy soil conditions.
- Mulch to regulate soil temperature and conserve moisture.
- Feeding & Nutrients:
- Apply a light, slow-release fertilizer in early spring if needed.
- Acid-forming fertilizers may be beneficial in neutral soils.
- Do not over-fertilize, as excessive growth disrupts form.
- Maintain organic mulch annually.
- Pruning & Maintenance:
- Minimal pruning required due to naturally compact habit.
- Remove fallen interior needles annually for airflow.
- Avoid heavy shearing to preserve rounded form.
- Monitor for common white pine pests in warmer regions.
Family: Pinaceae · Common Name: Pine
FREE with every plant purchased:
- The Sooner Guarantee: For details, click here!
- A pre-applied, pre-measured amount of time release fertilizer that keeps your plant well nourished for up to one year.
- Pre-hydrated Hydro-Gels are included in the top of each container to use when planting as they help retain soil moisture, and plants will establish more quickly with less transplant shock. Plants will also survive drought-like conditions and accidental missed waterings better.
- Planting and Care Instruction brochure.
- Catalogs of new and exciting plant brands, such as Garden Debut® and Proven Winners®.
We use and recommend www.dripdepot.com for our irrigation needs, from simple to install micro and drip systems, to commercial grade irrigation parts and supplies.
Interesting Notes About SEA URCHIN EASTERN WHITE PINE
- Witches' Broom Origins: Sea Urchin began as a natural mutation known as a witches' broom, giving it its dense, dwarf growth habit.
- Five-Needle Signature: Eastern White Pine needles grow in bundles of five—an easy way to distinguish it from other pine species.
- Collector Favorite: Selected by renowned plantsman Dr. Sidney Waxman, this cultivar remains highly sought after among conifer enthusiasts.
- Miniature Giant: While standard Eastern White Pines can exceed 50 feet in cultivation, this dwarf selection stays charmingly compact.
- Historic Timber Tree: The parent species once dominated early American shipbuilding and construction due to its lightweight, straight-grained wood.
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