Freesia plants are grown from bulbs. Over the course of a few years, they will multiply rapidly, forming dense clumps, or masses. The plants can get overcrowded . … Freesia can also be grown from seeds.

Do freesias multiply?

WHEN AND WHERE TO PLANT FREESIA Over time they will multiply. In cooler zones, freesias can be planted outdoors in spring for late summer flowers. The bulbs may also be planted in pots in the fall and grown in a cool (55-60°F) greenhouse for winter flowers. … If using a larger pot, keep the bulbs about 1” to 2” apart.

Are freesias invasive?

For example, it is seen as the worst invasive species in Yilliminning Rock Reserve in Western Australia’s wheatbelt region. Freesia (Freesia alba x Freesia leichtlinii) was first recorded in this reserve in 1992, but by 1997 it had spread throughout the crevice and meadow vegetation around Yilliminning Rock.