It’s important to sow petunia seeds indoors 10 weeks before the outdoor planting date. Seeds indoors is a very simple process. All you need to do is place the seeds in a plastic bag and cover them with a damp paper towel. The seeds should germinate within a week or two.
If they don’t, you can either wait until the weather warms up a bit, or place them in the refrigerator for a few days to allow them to warm up. You can also use a seed sifter to remove any seeds that are too large to fit into the bag. Once the seedlings have sprouted, they will be ready to be transplanted into your garden.
Table of Contents
How long do petunia seeds take to germinate?
If you want to sow petunia seeds, gently press them into a moist seed-starting mix. When the seeds are barely covered, sprinkle on more mix. The seeds are kept warm and moist. Sow seeds in spring or early summer, when the weather is warm, moist and sunny.
Keep the soil moist but not soggy, and allow the seedlings to grow until they reach a height of at least 6 inches. Seedlings should be transplanted when they are 6 to 8 inches tall, but they can be kept in the ground for up to a year before transplanting.
Are petunias hard to start from seed?
Petunias are moderately easy to grow from seed, and extremely easy to grow from cuttings. They can be grown in containers, but are best grown outdoors in full sun. Prunus serrulata is an evergreen shrub or small tree that can grow up to 10 feet tall.
It is a deciduous tree, which means that it does not flower or produce fruit. The leaves of this tree are used to make a variety of herbal teas, as well as a number of other medicinal and culinary products.
Why are my petunia seeds not sprouting?
The high temperatures which may develop in direct sunlight may inhibit or prevent germination. In 7 to 10 days, petunia seeds should start to grow. The plastic food wrap or dome should be removed as soon as possible. The seedlings should be placed in a sunny window or under fluorescent lights.
Seedlings should be transplanted when they are about 1/2 to 3/4 inch tall. They should not be allowed to grow more than a few inches above the soil surface. If the plants are too tall, they may be damaged by frost or freeze damage.
Do you cover petunia seeds?
Light is needed to germinate petunias so don’t cover the seed: sow onto the surface of moist compost and cover with polythene or put in a propagator, to ensure the seed doesn’t dry out.
A warm and well-lit growing environment, shaded from the sun, with a temperature no lower than 25C, is needed for young people to grow. Seedlings can be transplanted directly into the garden, but they need to be protected from the elements for at least six months before they are ready for transplanting.
Should petunia seedlings be pinched?
Pinch out the growing tips of your plants during the early stages of growth, and do this two or three times before planting out to encourage side shooting. The petunia varieties will be ready to flower by the end of September, even if they start to look a little tired by mid-August. Once you’ve planted out your seedlings, it’s time to plant them in the ground.
You’ll also want a good drainage system in place, as well as a place to put the pots when they’re done growing. The best way to do that is to dig a hole about two feet deep and place the pot in it. Then dig another hole a few feet deeper and plant the seeds in that one.
It’s best to keep the holes about a foot apart, so that you can easily dig them out if you need to. Once you have your seeds planted, cover them with soil and let them grow for a couple of weeks. After that, move them to a sunny spot and water them once a week.
