When to Sow Petunia Seeds
This article provides an in-depth explanation for netizens about when to sow petunia seeds, as well as the planting time and methods for growing green plants and flowers. Here is a detailed introduction for you.
Petunias are perennial herbaceous flowers belonging to the Solanaceae family, specifically the Petunia genus. Due to their simple maintenance and abundant blooming, with a flowering period from April to November, they are known as the "king of grass flowers." Petunias come in many varieties with rich colors, including white, purple, red, pink, yellow, and various bicolors and starry sky patterns, which are very beautiful.
Many gardening enthusiasts choose to plant petunias on their balconies. With careful cultivation, a single plant can bloom into a flower ball, hanging on the balcony and attracting a lot of attention. The care for petunias is also very simple. Today, I will teach you how to grow a flower ball from a single seed.
1. Seed Sowing and Care Before Seedlings Emerge
There are two methods of propagating petunias: sowing and cutting. Generally speaking, our petunias are propagated through sowing because the seedlings have strong vitality, well-developed roots, and are more likely to bloom profusely.
1.1 Sowing Time
Petunias prefer a warm environment, and the optimal temperature for seed germination is between 20-25 degrees Celsius. Therefore, sowing can be divided into spring and autumn. Spring sowing is usually from mid-to-late March to April, and autumn sowing is from the end of August to September.
When to Sow Petunia Seeds
1.2 Sowing Substrate
Petunia seeds are relatively small, so we generally choose seedling blocks for planting. You can also buy a complete seedling set, which includes a seedling tray, seedling blocks, and a lid, creating a warm and humid environment that is more conducive to petunia seedlings emerging. Generally, you just need to soak the seedling blocks in water, and when they become loose, plant the petunia seeds.
If you don't have a seedling set, you can also use fine seedling soil. You can usually choose a loose, breathable, and lighter nutrient-rich soil. When planting, make sure to water the substrate first, then sow the seeds.
Tip: To speed up germination, you can soak the petunia seeds in water for 8 hours before planting. After sowing, you can cover them with a thin layer of soil. After covering the soil, you need to water again, but be sure to use a spray mode, and remember not to use too much water that would wash away the seeds.