Prunus spinosa is a large deciduous shrub or small tree growing to 5 metres (16 feet) tall, with blackish bark and dense, stiff, spiny branches. The leaves are oval, 2–4.5 centimetres (3⁄4–1+3⁄4 inches) long and 1.2–2 cm (1⁄2–3⁄4 in) broad, with a serrated margin. The flowers are about 1.5 cm (1⁄2 in) in diameter, with five creamy-white petals; they are produced shortly before the leaves in early s… Webb9 jan. 2014 · Hardness is measured on the Janka Hardness Scale. The Janka hardness test measures the amount of force required to push a steel ball with a diameter of 11.28 …
Blackthorn: Care and Growing Guide - The Spruce
WebbSoft and hardwood - the Janka Hardness scale. For wood hardness is a measure of resistance to dent and wear. The Janka test measures the force (N, lbf) required to … WebbTree Size: 20-40 ft (6-12 m) tall, 1-1.5 ft (.3-.4 m) trunk diameter Average Dried Weight: 50 lbs/ft 3 (795 kg/m 3) Specific Gravity (Basic, 12% MC): .61, .79 Janka Hardness: 1,550 lb f (6,900 N)* *Estimated hardness based on … mount pleasant cottage horncliffe
Blackthorn, Sloe Prunus spinosa
WebbOn the lower end of the spectrum, basswood has a hardness of around 410 lb f (1,820 N). Also, in some instances (where noted), I’ve estimated the Janka hardness value using … WebbVetenskapligt namn: Prunus spinosa Skickas direkt från vår leverantör. Bilden visar växten som fullvuxen och etablerad. Så här tar du hand om dina nyinköpta häckväxter Växterna ska omgående tas ur den emballering de kommer i. Barrotade växter sätts omedelbart i hinkar med vatten. Krukodlade växter ska vattnas. Webb2 apr. 2024 · Prunus spinosa, the mass of buds and flowers seen in late March. Image: John Grace. Prunus spinosa is thorny, as its name suggests. The thorns are very sharp and rather long (2-8 cm), protruding at right-angles to the stem and repelling any four- or two-legged beast that comes to raid. mount pleasant cottage school ufsd