It enjoys sunny quarters and deep but light or sandy loam. With me it does well on a raised bed of light earth; its long tap roots will save it from drought during the driest summer, when its fleshy and fast-growing foliage would lead one to think that it could not endure a dry time. It is readily increased by division of the roots or seed.
Flowering period, September to strong frosts.
Lathyrus Grandiflorus
Large-flowered Everlasting Pea; Nat. Ord. Leguminosæ.
A hardy, herbaceous climber, coming from the South of Europe. It was introduced to this country nearly seventy years ago; it is an attractive object when in bloom, growing 6ft. high and being very floriferous. The flowers are nearly 2in. across. Not only in good soil do specimens grow densely and become furnished from the ground to the extremities of the stalks with bloom, but the roots run under the surface so rapidly that a veritable thicket is formed in three or four years. It is as well to allow this fine pea a good broad space, in the midst of which several iron standards, 6ft. high, should be firmly fixed; to these, fresh twiggy branches might be secured every spring; if the old ones are left in, their rottenness will allow them to snap off during strong winds when the tendrils have laid hold of them; but fresh branches, used as suggested, will bend but not break, and will withstand the strongest winds. This is very important, as, if the mass of foliage heads over, it is spoilt for the season.
The flowers are dark rose colour, produced in twos and threes on longish stalks, which spring from the axils. The tendrils are three-cut, having a pair of oval leaflets; the stems are square, or four-angled, and slightly twisted and winged. This plant may be grown in any soil or situation. A specimen does well with me planted in rubble, where it covers a short rain-water pipe, the said pipe being feathered with twigs every spring; but to have flowers of extra size and luxuriant growth, plant in good loam, in a sunny site, and top dress with stable manure every spring. This large Pea-flower is most useful for cutting purposes, being not only handsome but very durable. The running roots may be transplanted in early spring, just before they make any stem.
Flowering period, June to August.