For a head start, plant seeds in individual pots indoors, 10 to 12 weeks before spring. For better germination, you can soak the seeds overnight. It can take up to 3 weeks for the plants to sprout.
Plant the seeds in a moist, rich soil about 6 to 8 inches apart. For thinner plants, sow about 6 to 10 inches apart.
You can use a fluorescent light to help the seedlings develop. Make certain it remains two inches above the leaves at all times.
GROWING REQUIREMENTS
WATERING
Water the seeds often while they germinate so that they don't dry out. Be sure to water the plants evenly.
PESTS
Symptoms like brown-black necrotic lesions on leaves, skeletonized leaves, shallow, dry wounds on fruit, clusters of 50-150 eggs may be present on the leaves, etc. These symptoms might be the result of pest infestation like Stem rot, Leaf spots, Black swallowtail larvae, Carrot fly.
SOIL
Parsley prefers a loamy soil with a pH between 5.5 and 6.7.
SPOT
Plant at a spot that receives plenty of sunlight or partial shade.
TEMPERATURE
Parsley prefers a temperature between 15 to 27 C [60-80 F].