Phlox Brilliant Deep Rose

What Phlox Brilliant Deep Rose is

Phlox Brilliant Deep Rose (Phlox drummondii) is an annual flower of the Polemoniaceae family. This wonderful old-fashioned annual phlox has dense flower heads of deep pink blooms with a dark centre.

It has large flower heads produced abundantly through the summer.

It makes an excellent cut flower and a lovely garden filler.

Annual phlox forms dense, fragrant "carpets" of flowers in pastel and bright shades, for borders, window boxes and rock gardens.

Key features

• Measured germination rate of the batch: 80%
• Pack size: 0.3 g
• Seed origin: India
• Sowing: February – April; seedlings or direct
• Flowering: June – September
• Position: sunny spot

When to sow Phlox Brilliant Deep Rose

Phlox Brilliant Deep Rose 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 Phlox Brilliant Deep Rose

• Sowing method: seedlings or direct
• Depth: 0.5–1 cm (in the dark)
• Spacing: 20–25 cm
• Germination: 10–20 days at 15–20 °C
• Position: sunny spot

Sow indoors at a depth of 1.5 mm in moist, well-drained seed compost. Exclude the light. Germinates at 18-20°C. Germination takes 10-21 days. Transplant seedlings when they are big enough to handle into 8 cm pots. Pinch out the growing tips when the plant is 8 cm tall to encourage a bushy habit. Plant out as the weather warms, 25 cm apart. Can be sown where they are to flower from April to May. Needs well-drained soil, ideally rich; add compost if necessary. Water well from the base of the plant. Will benefit from feeding once in spring and once in summer.

Sow for transplants in March or directly in April–May. Cover the seeds, as they germinate in the dark. Water moderately.

Flowering and uses

Flowers from June into autumn.

Frequently asked questions

When should Phlox Brilliant Deep Rose be sown?

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

What is the germination rate of the seeds?

The measured germination rate of this batch is 80%. The test was carried out under controlled laboratory conditions; in the field, emergence depends on soil, temperature and moisture.