Maryland Wild Senna

Cassia marilandica, Fabaceae

Zones

4–9

Layer

Herbaceous

Lifespan

Perennial

Growth

Moderate

Guild Roles

Nitrogen FixerDynamic AccumulatorMulch MakerPollinator Attractor

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Ball CloverTrifolium nigrescens

Pest DeterrentBeneficial Insect HabitatNitrogen Fixation

Water PepperPolygonum hydropiper

Beneficial Insect HabitatPest Deterrent

ChaksuCassia absus

Pest DeterrentBeneficial Insect HabitatPollinator Sharing

Phasey BeanMacroptilium lathyroides

Nitrogen FixationBeneficial Insect Habitat

Common WireweedSida acuta

Pollinator SharingTrap Crop

Antagonistic Plants

Darnel RyegrassLolium temulentum

Maryland Wild Senna may produce allelopathic compounds that inhibit Darnel Ryegrass germination or growth

Spreading CloverTrifolium diffusum

Wild senna allelopathic compounds and tall growth suppress clover development

Uses

Functions

Nitrogen FixationDeep Soil PenetrationButterfly Host PlantLate Season Nectar

Medicinal Uses

LaxativeSkin Conditions

Common Questions

What zones does Maryland Wild Senna grow in?

Maryland Wild Senna grows in USDA hardiness zones 4 through 9.

Is Maryland Wild Senna a nitrogen fixer?

Yes, Maryland Wild Senna is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Maryland Wild Senna?

Good companions for Maryland Wild Senna include Ball Clover, Water Pepper, Chaksu, Phasey Bean, Common Wireweed.

Design guilds with Maryland Wild Senna and see companion relationships visually.

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