Foothill Sedge is commonly found from the central Willamette Valley south into California. A tightly clumping sedge with medium green foliage and 8″ wiry stems with attending flowers that are tan in spring/summer. In our region this plant can be found in upland situations where it is moist for at least half the year. Its also diminutive and almost hard to find in the wild. Under cultivation its an entirely different beast. Clumps are dense but expand with a pronounced weeping habit. To 8″ tall x 18″ wide for each individual plant. Good massed or as a lawn substitute. Takes mowing if its limited to once a year. Regular irrigation keeps it green and happy. Summer drought sees blades of tan as well as green and not so verdant. It does not run nor become a seeding pest- sticking surprisingly to itself. Plant on 1′ centers for a modern, mounding effect. Takes clay soils well. Water regularly to establish the first summer then taper off (continue watering if you want it to stay staunchly green). Combines well with perennials including native perennials such as Checkermallow (Sidalcea) and, Ranunculus occidentalis (Western Buttercup), as well as Shooting Stars (Dodecatheon) are found in closely related communities with this plant. Full sun to light shade, or high overhead shade. In California it is also known as Berkeley Sedge. Oregon native plant.
Family: Cyperaceae
Carex tumulicola ‘Willamette Gold’
Wow, when nature smiles on you then you need to take advantage. We found this stable variant of our locally native foothill sedge that is pure gold. As for the species a clumper that forms trailing 12″ foliage. The tight clumps keep to themselves and do not seed or run. Brilliant color all season long in average to enriched soil in full sun to light shade. Water consistently through summer for the best, consistent color. Attending flowers are on wiry straight stems with buff flowers in late spring to early summer. Mass for a much more drought adapted and vivid effect as Hakenochloa- Japanese forest grass on a smaller scale.. Easy to grow climate adapted native sedge. This is from a seedling batch of Willamette Valley native seed. Tough and good looking all the time. Evergreen- ever gold. To 6″ tall and 1′ wide. Plant on 1′ centers for a massed effect. Excellent in concert with other drought adapted natives, Manzanita etc.Limited quantities Oregon native plant.
Xera Plants Introduction
Cyperus alternifolius ‘Zero’
Umbrella palm or a close relative of Papyrus this normally zone 9 (20ºF) perennial is hardier and forms expanding clumps. This selection weathered 0ºF and lived, hence the name. Tall perennial for perpetually moist soils or shallow water in ponds. Also very useful in container water gardens. To 4′ tall the slender green stems sport an umbrella top of leaves. The radial leaves become decorated w/ small brown flowers in midsummer. This indeed has been very hardy for us. We’ve never lost it to cold. Easy to grow wetland plant that demands a lot of irrigation in open ground. The first hard freeze takes it down half way and by the end of winter is is usually completely deciduous. Returns in mid-late spring with real heat. Full sun- very intolerant of shade. Forms a compact but slowly expanding clumps. Very easy.
Luzula nivea
Snowy woodrush is a great woodlander and has many seasons of interest. The thin arching blades on this clump forming plant are softly veiled in white hairs that gives a softness to the clump. To 10″ tall and as wide in a season. In late summer 2′ tall spikes appear and produce snowy white flowers. They sway in the breeze. A mass planting of this in bloom is magical. Rich, moisture retentive soil that drains in part shade to shade. Takes sun with regular water but nothing hot. Excellent long lived perennial. Can self sow when very happy. The hairy seedlings are easy to spot and move- or give away.
Luzula pilosa ‘Igel’
We’ve been impressed with this evergreen, ever lovely, ever symmetrical sedge from Europe. Tightly clumping deep green plant to 6″ tall x 11″ wide in time. Rich, moist, well drained soil is ideal. Protect from blasting sun and reflected heat. Excellent performance in woodlands, sunny, irrigated borders. Imparts both a natural look but its habit is so symmetrically round that it also gives a modern feel. May be massed for a profound soft effect. Regular summer water- especially during heatwaves. Excellent performance in containers. Easy to grow. Evergreen- but it can look a little burned if we have extreme cold- not to worry new growth quickly hides any tatty leaves in spring. Avoid dense, dry shade, dappled overhead shade is ideal. Deep green appearance year round.
Luzula sylvatica
Sylvatica- of the woodland and this woodland evergreen workhorse of a sedge is both easy to grow and always good looking. Forms bold rosettes of 1/2″ wide deep green stems to about 2′ across. In early spring 1′ spikes hold metallic tan flowers. Very pretty. Full sun to dense shade in rich to average well drained soil with light summer water. More water will be needed the more sun it gets to remain deep green. Easy to grow and excellent massed for a uniform if somewhat wild look. Remove spent flower spikes to prevent seeding which will occur in open disturbed sites that you irrigate. These seedlings are easy to spot and move and it never becomes a pest. Long lived. Adaptable to very dry conditions in shade. Nearly uniform appearance year round.
Luzula sylvatica ‘Aurea’
This! This is one of the coolest sedges for winter displays. It virtually glows in yellow/chartreuse and spreads to form large patches. Adaptable to both full sun (with water) to dense shade. it holds its gold coloring in shade but is more conspicuous in the cold months. In summer it turns lime green and can be site where it fades into the background. In early spring 1′ chartreuse stems display excellently contrasting warm, metallic brown flowers- they are quite showy and come in great quantity. Excellent in rich to average soil with regular summer water. Full sun (but not reflected heat) to dense shade. Very adaptable to dry shade conditions. We love this evergreen workhorse of a sedge that virtually glows. Great en masse or as a simple single glowing patch. This species of woodland sedge is native to Europe. Excellent plant.
Luzula sylvatica ‘Marginata’
This is the most common form of this tough and good looking woodland sedge. The wide curving leaves are finely lined in yellow on the margins. It give this useful plant extra dimension. To 18″ across and forming multiple rosettes. In spring 1′ spikes carrying showy tan flowers create a haze. Rich to average well drained soil with consistent summer moisture. Full sun (with regular summer water) to quite dense shade. Useful evergreen for winter containers. Excellent winter appearance. Long lived, easy to grow. Takes very dry shade when established.