Garden centers only carry a few varieties already sprouted and growing, but you can find petunia flower seeds for different sized plants in almost every color of the rainbow.
PETUNIA SEEDS GERMINATION MONTH PLUS
You’ll save money because of the sheer number of plants you need, plus you’ll have a much wider range of flowers to choose from. It’s simple to buy a couple of petunia seedlings to fill one planter, but for mass plantings and garden edging, growing petunias from seed is the way to go. Then, water them enough to keep the soil lightly moist.Petunias are so reliable and have such a wide variety of uses that it’s no wonder it’s one of the most popular garden flowers today. Water petunias thoroughly every day until they are established.Plant them far enough apart to allow them plenty of room to grow. Plant petunia seedlings outdoors in a sunny, well-draining location when all danger of frost has passed.Once the danger of frost has passed and seedlings have reached at least two inches in height, transplant them into individual containers filled with a well-draining potting soil.Pinch off or snip off the weaker looking seedlings to make room for the stronger seedlings. Thin out the seedlings once they reach about 2 inches tall.Keep the planting tray or pot consistently moist by misting the soil lightly with a spray bottle every day.Place the planting tray or pot in an area with bright, indirect light and temperatures between 65 and 75 degrees Fahrenheit.Do not over water, as petunias have delicate roots that can easily be damaged. Water the planting tray or pot thoroughly with a gentle spray of water.Cover the seeds with a thin layer of potting soil, about 1/4 inch deep. Sprinkle petunia seeds across the top of the soil.Use a container that has several drainage holes in the bottom. Prepare a planting tray or pot with a well-draining potting soil.Start petunia seeds indoors in late winter or early spring, six to eight weeks before the last expected frost in your area.Maintenance: Deadhead to encourage bloom, and prune back by half if the plant gets scraggly.Īphids gray mold and soft rot can occur in humid areas.Ĭontinue reading here: All New Square Foot Gardening Dyr Pinch at transplanting for better branching. Transplanting: Set petunias out when all danger of frost has passed. Petunias can germinate slowly, from 7 to 21 days. Seeds Indoors: Start seeds indoors 8-10 weeks before last frost, 12 to 14 weeks for slower growing varieties. Pinch petunia plants back by about one-third before planting, then keep them deadheaded and pruned throughout the growing season for a non-stop performance. Petunia flowers come in a range of sizes- grandifloras have 4 to 5 inch flowers, multifloras have 2 to 3 inch flowers, and millifloras have an abundance of tiny 1-inch flowers. The trumpet-shaped flowers come in just about every color imaginable, even the once-impossible yellow, and the flower forms range from single to double, ruffled, striped, and scalloped. They are branching, creeping plants with light-green, hairy leaves that can be sticky. Petunias are one of the easiest annuals to grow, especially if they are purchased as plants. Weeks to Maturity: 8 to 10 weeks Indoor Seed Starting: 8 to 10 weeks before first frost Earliest Outdoor Planting: after last frostĪdditional Plantings: not needed Last Planting: not needed Description
Seed to Harvest/Flower: 14 weeks Seeds Storage:
Growing Season Spring: late Summer: yes Fall: early Winter: no Family: Nightshade Height: 6 to 24 inches A/B/P, Hardiness: half-hardy annual Spacing: 2 per square
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