Ostrich ferns are propagated by spores which are released from theunderside of the fronds. The spores germinate in moist soil andproduce small plantlets that can be transplanted.
Ostrich ferns are native to North America and Europe and they have been introduced to other parts of the world. The ferns grow in moist shady areas and prefer acidic soils.
Ostrich ferns can be propagated by spores or by division. Spores are released from the undersides of the fronds and germinate in moist soil to produce small plantlets. The plantlets can be transplanted to other areas.
To propagate by division dig up the fern and carefully divide the rootball into smaller pieces. Plant the divisions in moist shady areas with acidic soil.
How does one best propagate ostrich ferns?
By dividing the rhizomes or rootstocks.
When is the best time to propagate ostrich ferns?
In the spring before new growth begins.
How does one divide the rhizomes of ostrich ferns?
With a sharp knife or spade making sure to include at least one bud.
How does one replant ostrich fern rhizomes?
By planting the rhizomes horizontally about 2-3 inches deep in moist well-drained soil.
How far apart should ostrich fern rhizomes be planted?
18-24 inches apart.
Where do ostrich ferns thrive best?
In shady moist conditions.
What happens if ostrich ferns are planted in too much sun?
They will become scorched and dried out.
How often do ostrich ferns need to be watered?
About once a week making sure the soil is evenly moist but not soggy.
What happens if ostrich ferns are not watered enough?
The fronds will begin to wilt and the plant will go into dormancy.
What is the best way to fertilize ostrich ferns?
With a general purpose fertilizer applied in the spring and summer.
What happens if ostrich ferns are fertilized too much?
They will produce lush growth that is more susceptible to disease and pests.
What are the main pests and diseases that affect ostrich ferns?
Slugs snails and Aphids are the main pests while common diseases include rust crown rot and leaf spot.
How can one control pests and diseases in ostrich ferns?
By handpicking pests off the plants and removing and destroying affected leaves.
What is the best way to winterize ostrich ferns?
By mulching the plants with a layer of straw or leaves.
Will ostrich ferns come back if they die over winter?
Yes they are quite hardy and will come back from the roots if the plants die back.
