Cortaderia selloana, commonly known as pampas grass, is a tall, ornamental grass known for its feathery flower plumes.

Seeds Collection: Cortaderia selloana Seeds are collected from mature pampas grass plant, after flowers have faded, and the seeds are mature. Seeds are collected from the plumes.

Sowing Seeds:

Timing: Start sowing the seeds indoors in late winter to early spring, about 8-10 weeks before the last expected frost date in your area.
Soil: Use a well-draining seed-starting mix. Press the seeds lightly onto the soil surface; they should not be buried too deeply.
Watering: Keep the soil consistently moist but not waterlogged.
Light: Place the seed trays in a location where they can receive plenty of sunlight, or use artificial grow lights.

Transplanting:

Once the seedlings have reached a suitable size and the threat of frost has passed, transplant them into your garden or larger containers.
Space the plants according to the recommended spacing for Cortaderia selloana.

Outdoor Care:

Soil: Pampas grass prefers well-draining soil.
Watering: While established plants are relatively drought-tolerant, they appreciate regular watering, especially during dry spells.
Sunlight: Provide full sun for optimal growth.

Mature Plant Care:

Pampas grass can become quite large, so ensure it has enough space to grow.
In late winter or early spring, you can cut back the previous year’s growth to encourage new growth.

Watch for Invasiveness: Note that Cortaderia selloana can be invasive in some regions