key growing information

How to Grow 'Frosted Explosion' Grass

How to grow Panicum elegans ('Frosted Explosion') from seed: germination, why transplants are best, cutting stage and uses.

By Hensley’s Seed Co. September 3, 2026

'Frosted Explosion' (Panicum elegans) - Key Growing Information

A bouquet of 'Frosted Explosion,' a variety of the ornamental grass, Panicum elegans.

DAYS TO GERMINATION:

Allow 7–14 days at 60–64°F (16–18°C).

SOWING:

For transplants, sow 5–6 weeks before planting out, covering the seed lightly to help it germinate. We suggest transplants over direct sowing because the young seedlings look a lot like weed grasses, which makes the first weeding tricky.

LIGHT PREFERENCE:

Full sun.

PLANT HEIGHT:

Grows about 24–32" tall.

PLANT SPACING:

Space plants 10–12" apart.

HARDINESS ZONES:

Grown as an annual.

HARVEST:

Cut once the flower sprays are fully open.

SOIL REQUIREMENTS:

Well-drained soil.

USES:

A superb cut flower, adding filler and texture to bouquets and mixed containers.

SCIENTIFIC NAME:

Panicum elegans