How to grow Multiflora Petunia

Petunia multiflora

Full Sun
OR
Partial Sun
Medium

Remove old flower heads to stop seeds from developing, this encourages more buds

Growing Multiflora petunia from seed

Surface sow into ordinary potting compost. Do not exclude light

Soil temperature should be kept higher than 18°C / 64°F to ensure good germination.

By our calculations*, you should look at sowing Multiflora petunia about 77 days before your last frost date .

Transplanting Multiflora petunia

Pot on as soon as the seedlings are large enough to handle, and grow on under protection. Pot on into tots or baskets and continue under protection until all danger of frost has past. Gradually allow the plants to be exposed to outside conditions over a period of 10 to 15 days before placing outside in their final position

Ensure that temperatures are mild (minimum night temperatures should be around 12°C / 54°F) and all chance of frost has passed before planting out, as Multiflora petunia is a tender plant.

Harvesting Multiflora petunia

Flowers are best enjoyed on the plant

Seed Saving Multiflora petunia

Many plants that are sold are hybrids and do not come true from seed. But it is possible to over winter your favourite under protection or strike cuttings in the late summer to grow under protection

How long does Multiflora petunia take to grow?

These estimates for how long Multiflora petunia takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Days to Germination How long does it take Multiflora petunia to germinate?: 25 days
Average 25 days | Min 5 days | Max 72 days (4)
Days to Transplant How long until I can plant out Multiflora petunia?: + days
Average days | Min days | Max days (0)
Days to Maturity How long until Multiflora petunia is ready for harvest / bloom?: + 11 days
Average 11 days | Min 1 days | Max 20 days (3)
Total Growing Days How long does it take to grow Multiflora petunia?: = days

When should I plant Multiflora petunia?

Our when to plant Multiflora petunia estimates are relative to your last frost date.

When to sow The number of days to sow Multiflora petunia before or after your last frost date.: 77 days before Last Frost Date