Nom vernaculaire
Japanese Umbrella Pine 'Eiffel Tower'
Atypical conifer with a narrow, slender port, with erect branches. The thick, whorled needles are dark green to glaucous. Height from 2 to 3m.
Classification
Conifer
Climat
Zone 6: from -23°C to -17°C
Couleur de feuille
Exposition
Sunny
Part shade
Hauteur minimum
200cm
Hauteur max
300cm
Encombrement min
50cm
Encombrement max
100cm
Intérêts remarquables
Evergreen
Période
In spring
In summer
In autumn
In winter
Type de sol
Acidic
Neutral
Utilisation au jardin
Parterre
General description
- Origin
- Dutch horticultural selection introduced in 2013 and presented at the 'GrootGroen' fair in Zundert in 2015.
- Climate
- It resists down to -26 ° C.
- Exposure
- Ideally in the shade or in partial shade, it will prefer slightly sheltered places. it supports the sun well, but its colors will be more attractive in a shady place.
- 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 20cm 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. Possibly pinch a few young shoots with two fingers at the end of May or June.
- Use
- With its fastigated port, it will find its place in all small or medium-sized gardens, in landscaped or structured landscaping.
- Note
- It is very rarely seen in specialized nurserymen.
General physiology
- Dimensions
- It can reach 2.5m in height and 80cm in width.
- Habit
- Variety fastigié, almost colonial.
- Trunk
- The trunk is often single and straight.
- Bark
- Brown to mahogany.
- Branches
- All the branches are perfectly erect, and tight.
Leaves
- Shape
- Evergreen foliage. The thorns are whorled around the twigs, forming regular plumes in the shape of a very tight and erect egret. They measure between 6 and 10cm.
- Colour
- Intense sustained green, very bright. The needles turn purple to black in winter.
- 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. They are very visible thanks to the raised needles, generously displaying their reverse.
Flowers
- Note
- Not observed, this variety is likely to be sterile.
Fruits
- Note
- Not observed, this variety is likely to be sterile.