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jointed spikesedge

Eleocharis equisetoides · Cyperaceae

jointed spikesedge (Eleocharis equisetoides)
Photo: (c) Alison Northup, some rights reserved (CC BY) · CC BY · via iNaturalist

jointed spikesedge (Eleocharis equisetoides) is a perennial grass or grass-like plant in the Cyperaceae family. It is native to North America. USDA records it as hardy in zone 3 and warmer, down to about -33°F.

At a glance

Typegraminoid USDA
Lifecycleperennial USDA
Native statusnative USDA
Mature height3.2 ft USDA
Lightfull-sun USDA
Water needhigh USDA
Growth ratemoderate USDA
Soil pH5–7 USDA
BloomJuly USDA
Flower colorGreen USDA
Hardiness zones3 and warmer USDA
Guild layerherb-layer Derived
Nursery availabilityRoutinely Available USDA

USDA quoted from the USDA PLANTS database · Derived computed by a fixed rule from those columns. No value on this page is estimated.

Growing conditions

It needs full sun. USDA rates it as having needs consistently moist ground. Its drought tolerance is rated none — it needs reliable moisture. It tolerates saturated, poorly drained ground well (USDA rates its anaerobic tolerance high). It is recorded on soils from pH 5 to 7 — a broad range that spans acidic through mildly alkaline ground. Its cold limit is zone 3.

Size and growth

At maturity it reaches about 3.2 ft, making it roughly waist to chest height. It grows at a moderate rate.

Bloom period

USDA records a bloom period of July. Flowers are green.

A flowering date, not a pollinator rating.

Foliage, flower and season

Its flowers are not conspicuous — a plant for form and foliage. Its active growth period is summer and fall. USDA rates its lifespan as long.

What the site needs to provide

USDA records it across sites receiving 35 to 60 inches of annual precipitation. It needs at least 90 frost-free days to finish its season. It roots to at least 8 inches. Fertility requirement: low — no feeding needed on ordinary garden soil.

Propagating it

Propagate it from seed, sprigs and tubers. USDA records no cold-stratification requirement, so seed should germinate without a chilling period. Its seed spreads at a slow rate. It spreads vegetatively at a slow rate.

Resilience and wildlife

Its fire tolerance is rated high. Its growth form is recorded as bunch.

Role in a guild

Herb layer. In a layered planting this is the herbaceous middle — perennials and grasses that fill the space between ground cover and shrubs. The layer is derived by a fixed rule from growth habit and mature height.

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Tags

deciduouswet-tolerantclay-tolerantsandy-soilnativefull-sun

Related plants

Others in Eleocharis

Similar role and hardiness

Where this data comes from

Every value on this page comes from the USDA PLANTS database record for symbol ELEQ, or is computed from those values by a fixed rule. Nothing here is estimated or model-generated. Where USDA publishes no value, this page omits the claim rather than filling the gap.

Read our full data sources and methodology.

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