Oxypetalum Heavenly Blue

Oxypetalum Heavenly Blue — variety description

Oxypetalum Heavenly Blue (Oxypetalum coeruleum) is a perennial flower of the Dogbane family (Apocynaceae). A graceful ornamental plant with small star-shaped flowers in a delicate blue.

It flowers profusely in summer and is excellent for flower beds, borders and cut bouquets.

The plant attracts bees and butterflies and adds a fresh accent to the garden.

Oxypetalum has rare sky-blue star-shaped flowers.

Key features

• Measured germination rate of the batch: 90%
• Seeds per packet: 17–23 pcs (0.2 g)
• Seed origin: Poland
• Sowing: February – April; seedlings or direct
• Flowering: June – September
• Position: sunny spot

When to sow Oxypetalum Heavenly Blue

Oxypetalum Heavenly Blue seeds are sown in February – April. The plants flower from June to September. The months are a guide for a temperate climate — in warmer areas sow 1–2 weeks earlier, in cooler or upland areas, later.

How to sow and grow Oxypetalum Heavenly Blue

• Sowing method: seedlings or direct
• Depth: 0.5 cm
• Spacing: 20–30 cm
• Germination: 7–14 days at 18–22 °C
• Position: sunny spot

Sow the seeds in early spring indoors or, once frosts have passed, directly in the garden. Place the seeds in light, well-drained soil and cover them with a thin layer of substrate. Keep the soil lightly moist until emergence, which usually takes about 2–3 weeks. Once the plants are established, transplant them about 25–30 cm apart. Grow in a sunny spot for more abundant flowering in summer.

It is grown in a pot.

Flowering and uses

Flowers in summer.

Frequently asked questions

When should Oxypetalum Heavenly Blue be sown?

The recommended sowing months are February – April. Sowing method: seedlings or direct.

How many seeds are in the packet?

The packet contains 17–23 seeds, pack size 0.2 g.

What is the germination rate of the seeds?

The measured germination rate of this batch is 90%. The test was carried out under controlled laboratory conditions; in the field, emergence depends on soil, temperature and moisture.