Celmisia is a genus that belongs to the family Asteraceae.
Overview of Celmisia
• This genus has perennial herbs or sub-shrubs.
• There are around 70 species in this genus.
• Most of them are endemic to New Zealand.
• About 4-10 are endemic to Australia.
This genus occurs in:
– New Zealand
– From the Raukumara Range on North Island
– To South Canterbury on South Island
• The species have leathery leaves.
• They are egg shaped to lanceolate.
• They grow up to a length of 30cm.
• The upper surface is shiny and green.
• Celmisia asteliifolia Hook.f.
• Celmisia costiniana M.Gray & Given
• Celmisia gracilenta Hook.f.
• Celmisia incana Hook.f.
• Celmisia latifolia (F.Muell. ex Benth.) M.Gray & Given
• Celmisia longifolia Cass.
• Celmisia pugioniformis M.Gray & Given
• Celmisia saxifraga (Benth.) W.M.Curtis
• Celmisia sericophylla J.H.Willis
• Celmisia spectabilis Hook.f.
• Celmisia tomentella M.Gray & Given
• Celmisia traversii Hook.f.
• Celmisia walkeri
Scientific Classification of Celmisia
• Kingdom : Plantae
• (unranked) : Angiosperms
• (unranked) : Eudicots
• (unranked) : Asterids
• Order : Asterales
• Family : Asteraceae
• Genus : Celmisia
• Plant in a sunny location.
• It grows in zones of USDA of 5-8.
• When sowing the seeds, sow in moist sterile soil and cover with fine sand and peat moss.
• This herb can also be propagated by cuttings.
• Use 3-4 inches long cuttings.
• Rooting should take place in about 4-8 weeks.
• Remove the lower leaves and on the upper side about half of leaves so that the transpiration is reduced.
• This Wormwood needs full sun to partial shade.
• Dig a hole of 6 to 8 inches to plant.
• Add 2-4 inches of compost or manure to the planting soil.
• The plant’s root ball should fit the hole.
• Keep the soil moist and for good growth, water occasionally especially in hot and dry weather.
• Fertilize this wormwood using liquid or general fertilizer every spring.
• Mulch the plant around to about 2-3 inches.
• Divide the plant every 2-3 years for new growth.
• This Wormwood can tolerate poor soil.
• Maintain high humidity to ensure proper rooting.
• This Wormwood is not affected by many diseases or pests.
• Do not keep the plant wet or soggy as it develops root rot.
• Use a well-drained medium fertilizer.
• Add 3 parts perlite to 1 part vermiculite.
• Alternatively, mix of 1 part potting mix to 2 or 3 parts perlite.
• Mulching the plant is necessary in order to retain moisture and to maintain soil temperature.
• Fertilize once in a year with a spray of liquid fertilizer.
• Plant this wormwood about 2-3 inches away from other plants.