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Thujopsis is one of the most beautiful Japanese conifers and forms a pyramidal tree, in cultivation sometimes shrubby, with spreading branches, the branchlets arranged in a frond-like fashion, much flattened and clothed with scale-like glossy green foliage. It is well adapted for planting as a single specimen on the lawn wherever it can be grown successfully. It is hardy as far north as Massachusetts, but usually suffers from summer drought. It thrives best in a sheltered and shaded position and in moist loamy soil, and seems to grow to perfection only in cool and moist climates. Propagation is by seeds, also by cuttings and by grafting like thuja. Plants raised from cuttings usually grow into bushy round-headed plants. Plants grafted on thuja are said to be short-lived. Seedlings are therefore to be preferred.
Thujopsis is one of the most beautiful Japanese conifers and forms a pyramidal tree, in cultivation sometimes shrubby, with spreading branches, the branchlets arranged in a frond-like fashion, much flattened and clothed with scale-like glossy green foliage. It is well adapted for planting as a single specimen on the lawn wherever it can be grown successfully. It is hardy as far north as Massachusetts, but usually suffers from summer drought. It thrives best in a sheltered and shaded position and in moist loamy soil, and seems to grow to perfection only in cool and moist climates. Propagation is by seeds, also by cuttings and by grafting like thuja. Plants raised from cuttings usually grow into bushy round-headed plants. Plants grafted on thuja are said to be short-lived. Seedlings are therefore to be preferred.
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Thujopsis dolobrata, Sieb. & Zucc. (Thuja dolobrata, Linn.). Pyramidal tree, attaining 50 ft., or sometimes shrubby: branchlets irregularly whorled or scattered, horizontally spreading and often nodding at the ends; branchlets 1/5 – 1/4 in. broad: lvs. glossy green above, marked with a broad white band beneath, those of the upper and under side obovate-oblong, obtuse, adnate except at the apex, the lateral ones spreading, ovate-lanceolate and curved (hatchet-shaped), obtusish: cone globose-ovoid, about 3/4 in. long; scales 6-10, much thickened at the obtusely pointed apex, the middle ones fertile and with 3-5-winged seeds under each scale. Japan. S.Z. 2:119, 120. G.C. II. 18:556. Gn. M. 2:23. G.Z. 25, p. 49. F.E. 16:517. C.L.A.7:364. S.I.F. 1:11. Var. altissima, Ansorge. Vigorous and of almost columnar habit. Var. cristata, Ansorge. Branches compact, very full and somewhat crisped. Var. nana, Sieb. & Zucc. (T. laetevirens, Lindl.). Dwarf form, with more slender and narrower branchlets of a lighter green. Var. plicata, Ansorge. Very vigorous with heavy branches which hang over and appear folded. Var. variegata, Fortune. Tips of branchlets creamy white. Var. Hondai, Makino (T.Hondai, Henry). Tall tree, to 100 ft.: branches more densely ramified: lvs. smaller and whiter beneath: cone sub-globose, with the scales not thickened at the apex. This is the more northern form and probably hardier than the type which has been called var. australis by Henry. Recently intro. and now growing at the Arnold Arboretum.
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