Four O'Clock
Common
Name: Four
O'Clock
Scientific
Name: Mirabilis
jalapa
USDA Hardiness
Zones: 7 to 11, grown as an annual in other
areas
Approximate number
of seeds per gram (ounce) : 15
(400)
Sun: full sun to
partial shade, does not tolerate heat
well
Water: keep
soil moist during germination, once established, water
when dry
Soil: plant 1/2 inch deep in
a well-drained soil
Temperature: 19 to 21 degrees
Celsius (66 to 70 degrees
Fahrenheit)
Spacing:
plant 3 inches apart, thinning to 12 inches once the
seedlings are established
Germination
Time: one to two
weeks
Originally from
South America, Four O'Clocks get their name from their
habit of blooming in the late afternoon. Varieties
are available in many different colors including white,
pink and yellow. Deadhead regularly as four
o'clocks will self sow readily. Seeds and plant are
poisonous to eat.
|