Frangula alnus (Rhamnus frangula) 'Ron Williams' FINE LINE® Alder buckthorn
size/type
medium-sized shrub,medium-sized shrub
usual height
1-2m
usual width
0,5-1,5m
leaves
deciduous broadleaf
colour of leaves
flowers
insignificant or non-blooming
location
full to partial sun
USDA zone (lowest)
3 (down to -40°C)
winter protection
for zone 5+6
for zone 7
categorized
Description of the plant:
Fine Line® buckthorn is a gorgeous shrub which in its few years on the market has managed to gain attention of many gardeners as well as landscape architects. It is a result of cross-pollination carried out by Ronald Williams in 1989, but only in 1999 he selected plants showing stable characteristics. He had the plant patented under PP 14,791. Fine Line® buckthorn has identical leaves to one of its parents – a href="http://www.havlis.cz/karta_en.php?kytkaid=451">Aspleniifolia variety. They are deciduous, very narrow, fern-like, linear, 10-12 cm long and soft green changing to bright yellow in autumn. They are finely serrated at margins. The overall appearance is fluffy and feathered but still quite compact since thanks to its other parent – Columnaris variety – it has narrow, columnar habit.
It is a very versatile plant that will do almost any job you can possibly think of. It looks great planted as a small specimen with a vertical accent, or as a part of a Japanese style garden. It can be mixed with conifers, or placed in a Mediterranean style garden planted in gravel and sand. There are reports that it was used as an unusual informal hedge. Unlike the species its seeds are not viable so it will not weed around.
It withstands any sort of pruning, shaping or clipping but in my opinion it looks best in its natural habit. It is somewhat slow growing and for the fastest growth we suggest planting it into moist, humus rich, slightly acidic soil, in either full sun or part shade. It is so hardy it can be grown as a pot plant outdoors on a patio or balcony. Fully hardy to USDA zone 3: approx. -40°C.
Last update 29-12-2010
QUICK PRICE OVERVIEW
shrub
height 100-125 cm, width 20-30 cm
2 100 Kč
shrub
height 100-125 cm
1 525 Kč
shrub
height 100-125 cm
1 525 Kč
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GLOSSARY
- STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
- DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
- EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
- STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
- HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
- SHRUB - a woody plant with branches growing bushy from the ground level.
- HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
- FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
- GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
