Kasvab kaljudel ja kivistel nõlvakutel kuni 1000 meetri kõrgusel merepinnast, metsaservades, võserikes. Taime kõrgus kuni 80 cm. Õied kollased, 3-4 cm läbimõõduga, koondunud tihedasse kobarasse.
Vars lehistunud. Lehed naasklisarnased, 10-15 cm pikkused, ning kuni 0,8cm laiused, servast lühikarvalised. Õitseb hiliskevadel. Kultuuris kasvatatakse juba ammu. Külmakindel. Kasvab hästi igasugusel mullal avatud päikeselises kasvukohas. Vajab korralikku kastmist. Paljundatakse seemnetega ja risoomi jagamise teel kevadel ja sügisel.
Kasvukoht: kasvab hästi keskmiselt väetatud, hea drenaaþiga liivastel või liivsavimuldadel eredas päikesepaistes.
Hooldus: karmimas kliimas tuleb kindlasti talveks katta.
Haigused ja kahjurid: nälkjad, teod, lehetäid.
Paljundamine: seemned külvatakse konteineritesse kevadel külmal aknalaual. Täiskasvanud taimi jagatakse suve lõpus- sügise alguses. Jagatakse jämedat risoomi jättes tükile 2-3 kasvupunga.
Kasutamine: bordüüri ja kiviküngastele.

Family: Liliaceae
Origin: Eastern Mediterranean
Special Features: Bold spikes of fragrant, star-shaped yellow flowers and blue-tinted grass-like foliage. Gum ball sized green seed pods
Colour: Yellow
Natural Flowering Period: May - June
Winter Hardiness Zone: Z5-8
Growth Habit: Upright
Foliage: Thick clumps of blue-tinted, grass-like foliage
Height with Flowers: 80 cm
Spacing between Plants: 80 cm
Soil Requirements: Well-drained soils, pH 5.8 - 6.8
Location: Full sun
Use: Plant in the middle of the border with Amsonia hubrichtii, Baptisia australis and Lavandula
Specialities: Interesting cut flower candidate, drought tolerant.
Cultural Tips:
Grams per 1000 Seeds: 16,7
Seeds per Gram: 70
Seeding Recommendation: 40 g / 1000 plants
Sowing Rate: 2-3 seeds per cell
Plug tray recommended size(s): 72, 128
Germination: These seeds germinate rapidly depending on species and origin. If germination does not occur after 3-4 weeks a cooling period of 2-4 weeks is recommended.
Scheduling:
Best Sowing Dates: November - March
Sowing to Germination: 4 - 8 weeks
Germination to Transplant: 4 - 6 weeks
Transplanting to Salable Plant: 6 - 10 weeks
Cutting-Back at Transplanting: Cut-back once to keep more compact
Growing On:
Container Size(s): 1-2 plugs per 11/12 cm; 2-3 plugs per 15 cm
Vernalization: There is no current research on vernalization but a prudent recommendation for any perennial would be 6-12 weeks (a few might need 15 weeks!) at an average daily temperature of (5°C). Exposure to cold may not be necessary for flowering but might improve quality.
Forcing: An obvious place to experiment - following vernalization - would be raising daytime temperatures to 15° - 17°C. Provide 16 hours of continuous lighting. During the short days of winter, provide a night interruption lighting of 4 hours between 10:00 p.m. and 2:00 a.m.
Fertilization: Medium (150-200 ppm)
Eng.: yellow asphodel, Jacob's staff, king's-spear. Suom.: Keltasoihtu. Sven.: Junkerlilja. Bot. syn.: Asphodelus luteus L.

