Click here for the 'Seeds of Eaden' seed shop Petunia is genus of 35
species of flowering plants of South American origin belonging to the family
Solanaceae, closely related to the tobacco plant, tomatoes, deadly nightshades,
potatoes and chili peppers.
are summer, heat-loving plants and so are ideal summer bedding plants.
Rather than buy them from a garden centre you can grow them easily from
seed and get a choice of many more varieties . Petunias can be sown in
early spring, ready for planting out in May for a summer display.
Fill a seed tray with seed
and potting compost. Sow the seeds thinly on the surface
of the soil and thinly cover with vermiculite. Gently
water, cover with clear plastic to retain moisture and place in a warm, sunny
position with a temperature of between 15-18C. The seedlings
will germinate in 14-21 days.
Petunias prefer low
humidity, full sun and moist, rich soil that is well drained. Keep
the temperature consistent and water as required, as high
temperatures and fluctuating moisture levels are the most likely causes of
Prick out the seedlings
when they are large enough to handle and place the into 9 cm pots filled with
seed and potting compost. Plant your seedlings into your garden 8-10
weeks after sowing, but remember to harden off the plants in a cold frame
prior to planting in their final position.