Plants in the closely related genus Zantedeschia are also called 'arum lilies'. They are rhizomatous, herbaceous perennial plants growing to 20–60 cm tall, with sagittate (arrowhead-shaped) leaves 10–55 cm long. Arum, genus of about 32 species of flowering plants in the family Araceae. The plants are characterized by their distinctive flower structures, and several are grown as garden ornamentals. All parts of the plants are considered poisonous and contain calcium oxalate. Plants in the closely related genus Zantedeschia are also called 'arum lilies'. They are rhizomatous, herbaceous perennial plants growing to 20–60 cm tall, with sagittate (arrowhead-shaped) leaves 10–55 cm long. View allAug 11, 2021 · All types of arum plants are poisonous and may not be suitable in gardens with pets and children. Arums are rhizome producing, perennial plants. Most hail from the Mediterranean but some species are also found in Europe, western to central Asia, and in northern Africa. They can vary in size from 1-2 feet tall. The genus name comes from the Greek word ‘aron’, meaning ‘climbing’ or ‘poisonous plant’ Flowers consist of a spathe that surrounds the spadix and is followed by clusters of round berries in reds and oranges. Many are used as ground cover in shady areas. · Arum is a genus of flowering plants in the family Araceae, native to Europe, northern Africa, and western and central Asia, with the highest species diversity in the Mediterranean region. Best grown in medium moisture, consistently moist, humusy, organically rich soils in part shade to full shade. Not reliably winter hardy throughout USDA Zone 5 where it should be planted in a protected location. New leaves emerge in autumn and are evergreen in warm winter climates. · Arum plants are a diverse group of plants with over 32 varieties. They are known for their unique arrow-shaped leaves and showy flower-like spathes and spadices. · All types of arum plants are poisonous and may not be suitable in gardens with pets and children. Arums are rhizome producing, perennial plants. Most hail from the Mediterranean but some species are also found in Europe, western to central Asia, and in northern Africa. They can vary in size from 1-2 feet tall. The genus name comes from the Greek word ‘aron’, meaning ‘climbing’ or ‘poisonous plant’ Flowers consist of a spathe that surrounds the spadix and is followed by clusters of round berries in reds and oranges. Many are used as ground cover in shady areas. · Arum is a genus of flowering plants in the family Araceae, native to Europe, northern Africa, and western and central Asia, with the highest species diversity in the Mediterranean region. Best grown in medium moisture, consistently moist, humusy, organically rich soils in part shade to full shade. Not reliably winter hardy throughout USDA Zone 5 where it should be planted in a protected location. New leaves emerge in autumn and are evergreen in warm winter climates. · Arum plants are a diverse group of plants with over 32 varieties. They are known for their unique arrow-shaped leaves and showy flower-like spathes and spadices. They can vary in size from 1-2 feet tall. The genus name comes from the Greek word ‘aron’, meaning ‘climbing’ or ‘poisonous plant’ Flowers consist of a spathe that surrounds the spadix and is followed by clusters of round berries in reds and oranges. Many are used as ground cover in shady areas. · Arum is a genus of flowering plants in the family Araceae, native to Europe, northern Africa, and western and central Asia, with the highest species diversity in the Mediterranean region. Best grown in medium moisture, consistently moist, humusy, organically rich soils in part shade to full shade. Not reliably winter hardy throughout USDA Zone 5 where it should be planted in a protected location. New leaves emerge in autumn and are evergreen in warm winter climates. · Arum plants are a diverse group of plants with over 32 varieties. They are known for their unique arrow-shaped leaves and showy flower-like spathes and spadices.