Planting of Ophiopogon japonicus in Phnom Penh

Ophiopogon japonicus in Phnom Penh blooms in summer and autumn, with a long flowering period, basically from June to September. The inflorescence is very long, higher than the leaves, reaching 16cm, with purplish red flowers.

1. Seedling raising techniques of Ophiopogon japonicus in Phnom Penh

The breeding of Ophiopogon japonicus in Phnom Penh is mainly carried out by dividing plants. Ophiopogon japonicus in Phnom Penh has strong tillering ability. Plant a plant in spring and a cluster in winter. Dig them up one by one, cut off the tuberous roots and fibrous roots, as well as the top and old rhizomes, pat loose the base of the stems and divide them into individual plants for secondary planting.

Ophiopogon japonicus in Phnom Penh likes warm and humid climate, so it should be planted on loose, fertile, humid and well-drained neutral or slightly alkaline sandy loam, and not in low-lying areas with accumulated water. According to the row spacing of 20cm, the hole spacing of 15cm and the hole depth of 5-6cm, 2-3 seedlings are planted in each hole. The main maintenance work and matters needing attention during planting are as follows:

1. intertillage weeding

Generally, it should be carried out 3-4 times a year, preferably in sunny days, and it is best to weed regularly to prevent soil hardening.

Step 2: Topdressing

Ophiopogon japonicus has a long growth period and needs a lot of fertilizer. Generally, it starts in May every year, and it is combined with loosening soil and topdressing for 3-4 times. Farmhouse manure is the main fertilizer, with a small amount of compound fertilizer.

3. Drainage and irrigation

Always keep the soil moist after planting, so as to facilitate the emergence of seedlings. In July and August, the roots can be cooled by irrigation, but it is not suitable for water accumulation. After the rain, irrigation and drainage should be carried out in time.

In addition to the above matters, it is best to change the soil every spring to make it grow sturdily.