Arum
Arums as a group are very useful in dry shade under trees growing in situations that would defeat many other plants and providing valuable greenery through the winter months. The leaves emerge in October/November and vary from plain green, through varying degrees of silvering to brightly silver or golden marked veins. Some hybrid varieties with maculatum parentage can also have purple streaks and spots in the leaf. Leaves on small or young plants are not typical and are much greener.
The flowers consist of long-pointed spathes surrounding a club-shaped spadix and can be pale green to rich purple with many lined striped and spotted forms. Most of the varieties we have are forms or hybrids of A. italicum and have large pale green flowers produced in April. The flowers smell a bit like rotting flesh and this feature has evolved to attract the pollenators, which are flies. The flies are temporarily trapped by the flower and then released to go and pollenate another flower. Luckily arums are not in flower for long. Fruits are bright red/orange and produced in August and can be very attractive. However, if you don’t want the plants to seed around they should be removed when they start to change from dark green to orange. Some Arums can be prolific seeders!
The plants we are selling are recently lifted ie “in the green” but should establish well if planted immediately on receipt. Pheasants love to eat the flowers and will dig out the roots. A bacterial leaf disease can be a problem in some years, Erwinia carotovora.
Huge leaves, showing the influence of italicum subsp neglectum and maculatum, which are almost entirely silver within the peripheral vein. Large and vigorous. Leaves emerge in October/ November. Flowers large and pale green. Found in the garden of Henry Ross, Strongsville, Ohio. USA.
Heavily cream-spotted leaves appear in October November. Spots roughly circular. Seedlings are remarkably like the parent. Must be a form of, or a hybrid of A. concinnatum. Selected by Richard Nutt from the garden of Lambrook Manor after the death of Margery Fish.
Huge leaves showing the influence of italicum subsp neglectum and maculatum, with variable patches of silvering within the peripheral vein and random purple streaks and spots. Found in the garden of Henry Ross, Strongsville, Ohio. USA. Large and vigorous. Leaves emerge in October/ November. Flowers large and pale green with dramatic purple spotting.
Very narrow, very strongly silver-veined leaves with long narrow basal lobes. Vigorous. Named by Mark Brown.
Soft golden leaves with silver veins. A selection from a local garden where ‘Marmoratum’ had gone native. Named for the owner.
The usual silver veining but with a golden splashy and very variable variegation as well. A unique combination. Can revert so periodically remove the green shoots. Leaves emerge in October November. Named for Olive Mason’s daughter.
Very large and broad leaves with the creamy variegation on the veins being narrow but very well defined. Leaves emerge in October/ November. A seedling here.