key growing information

How to Grow Savannah Grass (Melinis nerviglumis)

How to grow savannah grass (Melinis nerviglumis) from seed: starting transplants, light for germination, sun, harvest timing to avoid shattering, soil and uses.

By Hensley’s Seed Co. September 3, 2026

Savannah Grass (aka Ruby Grass) - Key Growing Information

Savannah grass (aka ruby grass, Melinis nerviglumis), grown as an ornamental grass.

DAYS TO GERMINATION:

Allow 10–21 days at 70–75°F (21–24°C).

SOWING:

Transplants are recommended: sow into a 72-cell flat or your usual container 6–8 weeks before planting out. Top the seed with a fine layer of vermiculite to hold moisture and keep it in place; light helps germination. Plant out once frost danger has passed.

LIGHT PREFERENCE:

Full sun; tolerates some shade.

PLANT HEIGHT:

Grows about 18–24" tall.

PLANT SPACING:

Space plants 9–12" apart.

HARDINESS ZONES:

Hardy in Zones 9–10.

HARVEST:

For fresh or dried use: Cut as soon as the seed heads open, before they shed pollen; heads cut after pollen shed tend to shatter.

SOIL REQUIREMENTS:

Average soil with good drainage.

USES:

A fresh or dried cut grass that looks lovely in naturalistic or mixed grass plantings, beds and containers.SCIENTIFIC NAME: Melinis nerviglumis