Monrovia : Learn

Extremely useful, fast-growing pine perfect for windbreaks and tall screens. Pyramidal form with strong horizontal branches holding attractive blue-green needles; open, broad, irregular habit with age. Evergreen. Full sun. Fast grower to 50 to 80 feet tall, 15 to 20 feet wide. Seed grown.

Performance and Requirements

Light needs: Full sun

Watering Needs: Needs regular watering - weekly, or more often in extreme heat.

Pruning Time: Spring

Growth Rate: Fast Growing

Growth Habit: Pyramidal

Design Information

Companion Plants

CRIMSON KING NORWAY MAPLE
Acer platanoides `Crimson King`

VANDERWOLF'S PYRAMID LIMBER PINE
Pinus flexilis 'Vanderwolf's Pyramid'

COLORADO BLUE SPRUCE
Picea pungens 'Glauca'

ROCKY MOUNTAIN DOUGLAS FIR
Pseudotsuga menziesii 'Glauca'

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Design Styles: This is one of the most valuable trees for shelterbelts and windbreaks on Midwestern plains because of its rugged nature and speedy growth. Adapts well to dry conditions in the West, both in semidesert and mountain foothill regions where soils are thin and poor. Tall, narrow form makes it valuable for landscaping around tall buildings in the northern states. Useful as sound barriers. A huge tree that requires sizable landscapes to remain in scale.

Care Information

Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Watering can be reduced after establishment. Feed with a general purpose fertilizer before new growth begins in spring.

Background Information

History: This is a great forest tree attaining heights to 150 feet is second only to the sugar pine in stature. It is native to most of Eastern North America and is often the dominant coniferous species. Its genus and species were conferred by Linnaeus in the 18th century. In modern times botanist. John Kunkel Small 1869-1938 of the NY Botanical Garden attempted to reclassify this tree into its own genus as Strobus strobus. Due to ease of transplantation and superior foliage density, this tree has been in cultivation and common in landscapes and urban plantings dating back to the mid 16th century.

Botanical Pronunciation: PY-nus STROH-bus

Catalog Description: Extremely useful, fast-growing pine perfect for windbreaks and tall screens. Pyramidal form with strong horizontal branches holding attractive blue-green needles; open, broad, irregular habit with age. Evergreen. Full sun. Fast grower to 50 to 80 feet tall, 15 to 20 feet wide. Seed grown.