Lemon Gem Marigold tiny yellow blooms over the entire plant. There are several species and divisions of marigold. Soil Marigolds have no particular soil requirements. Ideal for planter boxes or edging. Sprinkle edible petals on salads! 45 French Marigold Sparky Mix Seeds, Over 5,000 Seeds by Seeds2Go 4.5 out of 5 stars 574 Free flowering over the entire summer and fall. Marigold 'Lemon Gem' seeds from Thompson & Morgan - experts in the garden since 1855 Cultivation. Most are modest in height, but there is a good amount of variety among the different types. Tagetes Asteraceae Marigold 'Tangerine Gem'Marigold 'Lemon Gem' Temperature Germination: 22°C Growth: 24°C Light Marigolds do best with plenty of light. Suggested uses. City, Beds and borders, Containers, Cottage/Informal. Start your plant at 12 hours of light per day. Tagetes tenuifolia 'Lemon Gem' (Signet marigold 'Lemon Gem') will reach a height of 0.2m and a spread of 0.2m after 1-2 years. You can find short bedding marigolds that grow only 4 to 6 inches tall and taller varieties that can reach 18 inches and make nice cutting flowers.The three most commonly grown types are African, French, and signet marigolds. Increase to 16 hours a day over the first month. When growing signet marigolds, you may choose from yellow, orange, golden or bi-colored flowers. With the right signet marigold care, you can have blooms in the garden until autumn when growing signet marigolds. Family Asteraceae . Decrease to 10 hours per day over the second month. Plant in light, free-draining soil in full sun. Known as Mexican Marigold when the species was introduced in 1798, 'Lemon Gem' boasts fresh green lacy foliage aromatic of citrus, and masses of tiny lemon-yellow single flowers all summer long. David's Garden Seeds Flower Marigold Lemon Gem SL1112 (Yellow) 100 Non-GMO, Open Pollinated Seeds 4.4 out of 5 stars 8 $7.45 $ 7 . Finely laced foliage; small flowers. Other common names African marigold 'Lemon Gem' . Hybrid types include the Gem series: ‘Tangerine Gem’ ‘Lemon Gem’ ‘Orange Gem’ ‘Red Gem’ Brush your hand over the plant to release a slight lemony scent. The flower petals of marigolds are …