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Nemesia Seeds - Blue Gem
SEASON
Annual
USDA ZONES
3 - 7
HEIGHT
8 - 10 inches
BLOOM SEASON
Late spring through fall
BLOOM COLOR
Blue
ENVIRONMENT
Full sun
SOIL TYPE
Moist, well-drained, pH 6.1 - 7.3
DEER RESISTANT
Yes
LATIN NAME
Nemesia strumosa
About...
Nemesia (Nemesia Strumosa Blue Gem) - A favorite long-blooming annual that's packed with color! Grow Nemesia seeds for this compact little plant that's perfect for the garden border or for containers. This variety of Nemesia features masses of petite blue flowers with white eyes that cover each bushy plant.
MORE NEMESIA OPTIONS
Planting Directions
TEMPERATURE
65 - 72F
AVERAGE GERM TIME
7 - 14 days
LIGHT REQUIRED
Yes
DEPTH
Press seeds into the soil and cover lightly
SOWING RATE
1 - 2 seeds per plant
MOISTURE
Keep seeds moist until germination
PLANT SPACING
6 inches
Nemesia (Nemesia Strumosa Blue Gem) - A favorite long-blooming annual that's packed with color! Grow Nemesia seeds for this compact little plant that's perfect for the garden border or for containers. This variety of Nemesia features masses of petite blue flowers with white eyes that cover each bushy plant. The blue Nemesia plant is a particularly charming cottage garden specimen. Blue Nemesia is spectacular in cool, maritime areas or mountain gardens where nights remain cool throughout summer. Nemesia plants are not known for their heat tolerance as they tend to fade in the hot, humid days of summer.
How to grow Nemesia from flower seed: Sow Nemesia seeds indoors 4 - 6 weeks before last frost. Sow flower seed on surface of starter compost and gently firm down compost, only lightly cover. Keep soil damp but not wet. Do not exclude light. When the Nemesia seedlings are large enough to handle, transplant into 3 inch pots and grow in cooler conditions. Gradually acclimatize the young Nemesia seedlings to outdoor conditions. As seedlings grow, pinch back 1 - 2 times to encourage compact growth. Transplant outdoors after all risk of frost has passed, 6 inches apart. Or directly sow Nemesia seeds outdoors in prepared beds when danger of frost has passed. Thin to 6 inches apart.
Common Questions
What is the best way to use nemesia in my landscape?
Nemesia is often used in the landscape as an edging plant or ground cover—as well as in mixed borders, woodland plantings, rock gardens, and hanging baskets.
Can potted plants be moved indoors for the winter?
Nemesia do not work as indoor houseplants; they are true annuals that die after the bloom period is over.
My nemesia is dying back, what can I do?
Nemesia does not like hot weather. If yours have died back due to heat keep them well watered and you will often get a second flush of flowers in the fall.
Are there similar plants that work better in warm climates?
The primary disadvantage of nemesia is its tendency to die back or even perish during intense summer heat. If you appreciate the appearance of nemesia but reside in a region where summers are excessively warm, you might want to consider planting Angelonia, commonly referred to as summer snapdragon. These plants produce abundant blooms throughout the summer and are more resilient to heat compared to nemesia and traditional snapdragons. Angelonia is a perennial that thrives in zones 10 to 11, but it is frequently grown as an annual in hotter regions, such as the Midwest and Great Plains.
How can I get the best bloom season from my nemesia plants?
Feed with a water-soluble fertilizer every 2 weeks for maximum blooming. Deadhead spent bloom to keep plant neat and promote more blooms. If your plants stop blooming cut back by one-third this can help bring them back into bloom.
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