Nom vernaculaire
Japanese Umbrella Pine 'Nettie'
Famille
Sciadopityaceae
Very slow growing dwarf Japanese umbrella pine with intense yellow needles, especially in winter. Dense and regular cone, perfectly branched. Height 1.20 m.
Classification
Conifer
Climat
Zone 5: from -29°C to -23°C
Couleur de feuille
Exposition
Sunny
Part shade
Shadow
Hauteur minimum
50cm
Hauteur max
100cm
Encombrement min
50cm
Encombrement max
100cm
Intérêts remarquables
Foliage
Période
In spring
In summer
In autumn
In winter
Type de sol
Acidic
Neutral
Utilisation au jardin
Parterre
Pot and tray (terrace and balcony)
Rockery
General description
- Origin
- Selection of Henk Van Kempen, Netherlands.
- Climate
- It resists down to -26 ° C.
- Exposure
- Ideally in the shade or in partial shade, it will prefer slightly sheltered places. it tolerates the sun well, but it can burn slightly if it is too direct.
- Soil
- It likes to grow in cool, moist but well-drained soil. Acid to neutral, plants planted in another type of soil will be more stunted and less bright in color. It is preferable to amend the soil in heather or peat, embellished with river sand to promote its growth and keep it looking beautiful.
- Growth
- The growth of this cultivar is particularly slow and regular. annual growth of 5 to 6cm maximum.
- Pathology
- None.
- Propagation
- By grafting on the type. Take the scions, branches of the year, in winter and practice the grafting on rootstocks, from semi, at least 2 years old, head or side graft. The rootstocks must be sheltered from freezing for at least three weeks before performing the transplant. Tighten with a grafting elastic. Young grafts must be kept away from frost, in a controlled humid atmosphere. Prevent the possible appearance of phytophthora.
- Pruning
- Size is not necessary.
- Use
- This small sciadopitys is well suited for small gardens, in terraces or in pots. Its yellow color will brighten up the darkest corners.
- Note
- It is very rarely seen in specialized nurserymen.
General physiology
- Dimensions
- Height of 60m after 10 years. it will continue to grow slowly and steadily throughout its life.
- Habit
- Small, upright and irregular shrub, taller than wide, sheepish.
- Bark
- Brown to mahogany.
Leaves
- Shape
- Evergreen foliage. The thorns are whorled around the twigs, forming regular tassel-shaped plumes. They measure between 8 and 12cm.
- Colour
- Intense yellow green, very bright. In winter, the colors are even more golden, even white for the needles of the previous year.
- Buds
- Terminal buds, solitary or grouped by 2 to 6, globular. They appear in mid May.
- Stomata
- Each needle has a double white band of stomata on its reverse side.
Flowers
- Note
- Not observed, this variety is likely to be sterile.
Fruits
- Note
- Not observed, this variety is likely to be sterile.