Belonging to the Ruellia genus, Mexican petunia has a botanical name of Ruellia brittoniana.
In the right area, it may be considered a noxious or invasive weed. In Florida is it considered an invasive weed.It is a flower and is treated mainly as an annual/perennial, so it can grow either as a single season or multiple season plant. Mexican petunia normally grows to a max height of 2.93 feet (that's 90.0 cm metric). This plant tends to bloom in mid summer.
Mexico is believed to be where Mexican petunia originates from.
Being a fairly low maintenance plant, Mexican petunia is normally quite easy to grow provided a minimum level of care is given throughout the year. It will be helpful to note the correct soil, sun and water needs of this plant to ensure that this plant thrives.
This plant info is provided by the myfolia gardener's wiki. All details about Mexican petunia have been kindly provided by our members.
A good plant for xeriscaping and rock gardens.Remember to apply water fairly sparingly to Mexican petunia. Use Zone 8 - Zone 11 as your guideline for the appropriate climate for this plant. A soil ph of between 6.1 and 9.0 is ideal for Mexican petunia as it does best in weakly acidic soil - weakly alkaline soil. Keep in mind when planting that Mexican petunia is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside.
So directly when all chance of a frost is over.
These plants have been known to grow well alongside Mexican petunia so consider planting:
These plants will not grow well with Mexican petunia so avoid planting these within close proximity:
These problems, diseases and pests are known to affect Mexican petunia plants:
Desert petunia, Florida bluebells, Mexican blue bells