Imp. Kurume

Bright scarlet-red, round flower heads.

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Technical Name
Celosia cristata
House Name
Japanese Name
Country Of Origin
About 30-40 species are distributed in tropical and subtropical regions of Asia, India, Africa, and the Americas.
Suitable Temperature
25°C (77°F)
Germination Days
8-10 days
Seeding Rate
20㎖ for transplanting and 40㎖ for direct sowing
Number Of Shares
7,000 copies
Space Between Plants
10 x 10.10 (1 piece)
In stock


20㎖ / approx. 20,000 grains 20㎖ package, 1 bag/7,700 yen (8,470 yen including tax)


Celosia is an annual plant, prefers high temperatures and strong sunlight. Late sowing can result in shortened length and disorganized inflorescence.

Cultivation Feature

Celosia can be produced in many areas of Japan and is often grown in the suburbs of cities and its areas around. It is mainly harvested in summer and long-lasting flowers even in high temperatures. Available range in delivery period is also an advantage.

Suitable Place

Any soil type is acceptable as long as it is deep in groundwater, well-drained and full sun. It prefers dryness and poor drainage may cause of plant death


Celosia is a high-temperature plant, and for growth it is 20-25°C.


Disease include wilting, leaf spot and phytophthora. Clean soil and proper humidity control should be paid attention. Cutworm and aphids are common insects.


When plants are watered too much, it can grow to be huge. Irrigation technique is required since the amount of water is directly connected to the quality.


Optimal germination temperature is 20-25°C, and it takes 5-7 days for germination. It seeds are sown carefully because the seeds are very fine.

growing temperature: 20-25°C (68-86°F) in the daytime and 15-18°C (59-86°F) at night.
Kurume/ Yachiyo/ Bombay/ Feather series
10-12 cm x 10-12 cm spacing, 5-8 rows, single planting no pinching, 1 to 2 layers of trellis netting.
12cm x 12cm spacing, 6 -8 rows, 2 plants
Celosia argentea
20cm x 40cm(inter-row spacing), 2 rows, 6-8 plants, 1- 2 layers of trellis netting.


Cut Flower: Avoid harvest at early stage as they will not hold up water well. When the flower heads (stems) are stiff, then it is good time for harvest.

Yachiyo Keitou is harvested too late, the flowers will be disorganized and lose their characteristic luster.

Too much fertilizer makes flower heads and stem leaves too large, and soft stems.
Unless the soil is very barren, it is best to grow without fertilizer and adjust the amount of fertilizer according to the growth conditions.

Typical crop type:
Warm area
Sow in mid-February to late February -> Harvest in late May to mid-June
Sow in late April to early May -> Harvest in late July to mid-August
Sow in early July to mid-July -> Harvest in late September to late October

Highland area
Sow in late March to mid-April -> Harvest in late July to early August
Sow in mid-June to early July -> Harvest from mid-September to late October

*the contents above is based on general cultivation knowledge in Japan