How far apart to plant petunias. This species features 3 to 4 inch blooms which often grow upright but may spill over the side of your container or window box. Grandiflora petunias is the most common type of growing petunias. All petunias need average soil that is slightly acid to neutral. Give them plenty of light.
How far apart do you plant petunias. Petunias need to be started from seed around 10 12 weeks before you want to plant them outdoors. Tidal wave petunias grow according to how you space them. Find out how far apart you should plant petunias with help from an experienced.
Spaced 12 inches 30 cm apart they form a dense mounded hedge. Spreading petunias may need weekly fertilization while container grown plants will respond well to a time release fertilizer. In order to avoid weeds from strangling grandiflora petunias. If your petunias start to flag or grow leggy cut them back and fertilize them.
Garden petunias like a balanced fertilizer such as 8 8 8 10 10 10 or 12 12 12. Milliflora petunias are miniature versions of growing petunias compact and reblooming. You should wait until after the. Starting petunias from seed.
After the chance of frost has passed space wave and easy wave petunias 12 to 24 inches 30 to 60 cm apart in garden beds. When planting petunias you always need to pay very close attention to how far apart you choose to plant them. In early to mid july start using a liquid fertilizer every two to three weeks. The spacing normally quoted is designed to give plants the maximum amount of space to reach their full potential.
To hasten things put the sprouts under a fluorescent light for 12 hours per day to mimic spring conditions. Many sources advise starting seeds 6 to 10 weeks before the last frost and then transplanting to let them mature. Petunias benefit from deadheading which is the. When planting petunias in containers be sure not to crowd your plants limiting yourself to three per 12 inch 30 cm pot.
Multiflora petunias have smaller flowers and a more abundant bloom. Petunias are extremely slow to germinate some 5 to 15 days at normal temps in the house.