Sir Herbert Beerbohm Tree fern ( Dicksonia antarctica ) , native to Australia , is an attractive , dark dark-green fern with a luggage compartment that can originate as marvellous as 20 feet , and a canopy of fronds that can propagate to more than 20 feet across . The tree fern grows happily in moist areas and filter sunlight . With extra shelter , fledged tree ferns at least 4 old age old can withstand temperature as low as 15 degrees . tree diagram ferns can be planted outdoors , or grown in large , sturdy container .
Step 1
Plant the tree fern in filtered sunlight . tree diagram fern planted in Lord’s Day will live on , but will have stunt increment and unretentive fronds .
Step 2
irrigate the tree fern several times each week if it ’s brusk than 1 foot magniloquent . Adequate water is particularly important on live , ironical summer days . Water the fern lento at ground level , and do n’t spray the fronds . Water at least once each week during the winter months .
Step 3
Feed the fern once every spring , using a oecumenical intention fertilizer lend oneself accord to the manufacturer ’s recommendations . Fertilizer is particularly of import for containerized Sir Herbert Beerbohm Tree ferns , but is optional for ferns grown in the ground .
Step 4
Shelter the tree fern during the winter until it grows more than 2 human foot magniloquent . If the tree diagram fern is in a container , bring it indoors . If the tree fern is acquire outdoors , cover the plant on nights when a hard freeze is expected . Larger tree ferns can be protect by open dry straw in the crowns to prevent methamphetamine hydrochloride from forming . It can also be protect with an isolate blanket . After the Sir Herbert Beerbohm Tree fern reaches 4 feet , it will better withstand cold atmospheric condition , but may still need some protection .
Care For A Diseased Australian Tree Fern
Plant Australian Sir Herbert Beerbohm Tree ferns in a part shaded layer with well - draining , acidulous soil and protection from potent winds to forbid damage from drouth , spare wet and pitiful nutrition . Water deeply but infrequently to forestall redundant wet in the soil . Watch for sign of improvement . Feed Australian Sir Herbert Beerbohm Tree ferns double each year in springiness and midsummer to keep up the plant ’s health , which will lessen the likelihood of insect plague . use full strength 10 - 10 - 10 - 10 ratio fertiliser to the soil around the base of the trunk and water deeply afterward to pass on the nutrients deep into the soil . trim off the fronds at the base and discard them into a green - waste bin instead of using them for mulch or compost . Prevent and address infestation of mites and mealybugs with a giving program of horticultural oil .
