Bells Verbena is very hardy plant and it must be soft to germinate.It takes full sunlight and temperature minimum 75 -78 degree F.
SPECIFICATION OF BELLS VERBENA
USDA Zones: 6 - 10
Height: 24 in - 3 ft
Bloom Season: Summer through fall
Bloom Color: green
Environment: Full sun
Soil Type: Loamy, well-drained, pH 6.1 - 7.8
Temperature: 75 - 80F
Lower temperature - 65 – 68°F (18 – 20°C)
Average Germ Time: 14 - 21 days
Depth: 1/4 inch
Moisture: Keep seeds moist until germination
Plant Spacing: 8 - 12 inches
GERMINATION GUIDE
Use a flat seedling tray and its deep will be 5 centimetres. Make sure you have plenty of holes in it for good water drainage.
Take equal quantity of sand, soil and vermicompost. Then mix all the three ingredients into one container.
As the seeds are perfect in size then you can put the seeds over it by 1/3 after that cover the seeds with seedling mix only about 1 cm (one centimetre).
Sprinkle diluted fungicide water (2gm in 1-litre water) after sowing the seeds.We have to care about putting the seed because seeds will not go deep into the mixture.
It is recommended that sow the seeds directly in early spring when the soil is 50-60°F (10-16°C). Do not cover seed as light is required for germination. Or 6-8 weeks before the last frost in individual 3" pots or cell packs, as plants have taproots and do not transplant well. Make sure that the water must be mixed with diluted fungicide powder.It is very important to notice to follow that the seeds will not to go very deep inside the mixture by speeding water on the seed if it happens then the fertilization of the seeds are becoming difficult.
Expect germination within 12-21 days at 65-68°F (18-20°C). For the best germination, chill seeds for 1-2 weeks at 35-40°F (18-20°C) before sowing.
Remove the plastic as soon as the seedlings emerge, and gradually move the pot to a brighter area over a two-week period so that at the end of that time they're acclimated to being in full sunlight.
Minimum warm, above 60ºF (15.5ºC), is needed inside the container and it should be placed in the sunny area.After that, the whole thing should be covered with a poly bag and after 21 days later the plastic can be removed.
CLIMATE:
Verbena can be grown in hardiness zone 6-10, although in zone 6 they’re likely to die back to the ground in winter.
LIGHT:
Verbena flower best in full sun (at least six hours per day). Do not cover on that point where you can not see the plastic on the flat or the soil.
SOIL:
Verbena does well in most any kind of soil, as long as it’s well-drained. The ideal soil pH is neutral to slightly acidic.
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