Question
I am planning to start some of my favorite flowers from seed for Spring/Summer season. I have built a small greenhouse in my garage where I get lots of afternoon sunlight. I have three questions: 1. When is a good time to lay the seeds for April transfer? 2. Do I have to use any special soil? 3. What temperature do I need to keep? Regards.
Zubair
Answer
To give you the best idea of when to plant your seeds, you want to know the approximate last frost date for your area and then count back based on the information provided on the seed packet. Your location in Danville has frost as late as 3/27. Most of your seed starting should occur from mid February on, depending on the varieties you choose.
You will want to use a light soil mixture that is moisture retentive yet airy. The EB Stone Seed Starting Mix is ideal or you can mix 50/50 vermiculite and Sloat Organic Potting Soil.
The best results will occur if you can keep daytime temperatures at about 72 degrees with nighttime temperatures between 60 and 65 degrees. Even though you have good afternoon light, I advise you to supplement the lighting with grow lamps. The seedlings require between 12 and 16 hours of light a day to grow strong.
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