Adcock’s Dwarf Japanese Pine
Pinus parviflora ‘Adcock’s Dwarf’
Plant Details
USDA Plant Hardiness Zones:Â 4a-7a (4-8 in cool-summer climates)Â Â Find Your Zone
Plant Type:Â Coniferous Evergreen Tree
Height at Maturity:Â 18-24″ at 10 years of age; 3-3.5′ over time with no pruning
Width at Maturity:Â 18-24″ at 10 years of age; 3-3.5′ over time with no pruning
Spacing:Â Â Best as specimen or bonsai
Growth Habit / Form:Â Globose, Irregular
Growth Rate:Â Slow, 2″ per year
Flower Color:Â NA
Flower Size:Â Â NA
Flowering Period:Â NA
Flower Type:Â NA
Fragrant Flowers:Â Â No
Foliage Color:Â Blue-Green with Greyish White undersides
Fragrant Foliage:Â Â
Cones:Â Â
Cone Color:Â Â
Sun Needs:Â Full Sun or Mostly Sun
Water Needs:Â Â Average; moderate drought tolerance when established
Soil Type:Â Â Clay (Amend heavy clay to ensure good drainage), Loam, Sandy, Silty
Soil Moisture / Drainage:Â Moist But Well-Drained; occasionally dry when established
Soil pH:Â 5.0 – 7.5 (Acid to Alkaline)
Maintenance / Care:Â Very Low
Attracts:Â Visual Attention
Resistances:Â Deer –Â more info, Disease, Drought (moderate when established), Insect, Salt
Description
A true dwarf, Pinus parviflora ‘Adcock’s Dwarf’ was discovered as a seedling from a witches broom Japanese White Pine at Hillier Nurseries in England. It was named after its propagator, Graham Adcock. Everything about this diminutive selection, from its needles to its mature size, is small. Adding maybe 2 inches of new growth per year, you might expect an 18 to 24 inch tall and wide shrub at 10 years of age, and that’s without any pruning. An annual candle pruning results in half that size. The very short, 5/8″ needles are dark blue-green color with greyish white undersides. Prominent 1.5 to 2 inch long cute little candles adorn the shrub in spring. Needless to say, Adcock’s Dwarf makes for fine little specimen in miniature gardens or pots, and is excellent for shohin bonsai. Either way, trained as bonsai or left to grow naturally, even young plants look like an old tree. Even though small, this one will not go unnoticed in any garden!
Landscape & Garden Uses
The Adcok’s Dwarf Japanese White Pine is ideal for use as a specimen in small garden spaces and in pots, planters and other containers. A fine addition to miniature gardens, Asian theme gardens and conifer gardens.
Suggested Spacing:Â Â Best as a specimen
Growing Preferences
The Adcock’s Dwarf Japanese White Pine grows best in a moist but well-drained fertile soil in full sun but will tolerate some light afternoon shade. We suggest at least 6 hours of direct sunlight per day. As with so many other ornamental trees, constantly soggy soil can cause problems with the roots. Using a premium potting soil when growing in pots and make sure the container has a drainage hole. We suggest lining the interior of the pot with a porous landscape fabirc to prevent roots and soil from stopping up the drain hole(s). Does not require pruning however the candles on this pine can be pruned by up to 50 percent of their length to maintain an even smaller plant. Perfect for shohin bonsai.
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