Roscoea auriculata growing herbaceous rhizome of the genus Roscoea also known as Eared roscoea, Roscoea auriculata perennial deciduous plant used as ornamental plant for the flowers, can grow in temperate, subtropical or mediterranean climate and growing in hardiness zone 6-10a.
Leaves color green in linear shape that connected on the base to the stem.
How to grow Roscoea auriculata – growing and care:
Rich soil, moist, mulch – need to add mulch all the year and more in winter in hardiness zone 6-8.
What is the best way to start growing? Plant / Seed / Vegetative reproduction – separate rhizomes better in the winter to early spring, better before start to grow after the dormant
Is it necessary to graft or use vegetative reproduction? No, but easier to start to grow from rhizomes than seeds
Difficulties or problems when growing: ?
Planting season: Spring in hardiness zone 6-7, spring in hardiness zone 8-9, spring to autumn in hardiness zone 10a
Pests and diseases: Aphids
Pruning season: Autumn / Winter
How to prune: Dead parts
Size of the plant: 20-40cm, 8-16 inches
Growth speed in optimal condition: Medium growing
Water requirement: Average amount of water / Big amount of water
Light conditions in optimal condition for growing: Full sun / Half shade
Is it possible to grow as houseplant? No
Growing is also possible in a pot / planter /flowerpot / containers: Yes, start with container that bigger than the plant at least 30-50%, need to switch the container to bigger when root ball over grow the container, better to switch in the winter, when the plant arrive to the desirable size of container need to switch the soil once in a few years by new soil, possible if it’s small container switch all and cut some roots and prune the plant, except this need to pull old plants after having flowers, better to use potting mix or peat soil with perlite, mix it with hummus and organic matter, use chopped mulch to keep the soil moist, let the bottom of the pot fill in water but dry in the same day.
Bloom season? Summer / Autumn
General information about the flower: Dancer shape flower in purple and bloom on the top of the stems.
How to grow from seeds
Sowing requirement: Fresh seeds, a lot of light, moist soil, 16-21C (60-70F)
Saving seeds and care until sowing: Better to keep the seeds in refrigerator possible with peat soil or just in a paper bag
Sowing season: Spring or autumn, better to sow the seeds fresh it’s in the autumn than they get the winter cold, in hotter climate in hardiness zone 10 better to plant it in the autumn
Planting spacing: 20*20cm (8*8 inches)
Depth of Sowing: 1-2cm (0.5-1 inch)
Conditions for seeds germinate: Moist soil don’t let it dry
Watering requires for Seeds: Average amount of water / Big amount of water
Germination time: In the spring 4-8 weeks in the autumn usually will germinate in the early spring
Condition of seedling: Moist soil, not too much hot
Do the seeds require burying? Yes, conditions to bury can be direct in the soil but in hotter area better to put in the coldest location of the refrigerator