Nemesia belongs to the botanical genusNemesia , which descend within the household Scrophulariaceae , commonly know as the figwort family . This family is notably divers , cover over 60 species of Nemesia alone , characterized by their annual , perennial , or sub - shrub growth habit . The genus is eff for its colorful , two - lipped prime , which structurally resemble snapdragon , with each flower having an upper lip composed of four lobe and a low sassing with two lobes .

The chronicle of Nemesia as a cultivated plant trace back to its use as an ornamental in garden , particularly due to its vivacious and wide-ranging coloration . polish began with the metal money aboriginal to southerly Africa , where they have been apprise for many eld for their aesthetic charm . Over time , numerous hybrids have been develop , primarily concentrate on enhancing color multifariousness , bloom size , and extending the flowering time of year . These crossbreed have made Nemesia a popular pick for gardener take care to add a splash of people of color to their landscapes , especially as bedding plant or in container .

Nemesia is native to southern Africa , specifically thriving in the sandy coasts or disturbed grounds of the area . This habitat taste mull the plant ’s natural ability to grow in well - run out , often sandy or gravelly dirty under cheery conditions . The diversity within the genus is mostly contract in South Africa , where the climate supports their outgrowth , with soft winter and tender , cheery summers that are ideal for these cool - conditions lovers .

In terminus of USDA Hardiness Zones , Nemesia ’s suitability varies by species and cultivar . The most popular species , Nemesia strumosa(Pouch Nemesia ) , andNemesia caerulea , are typically treated as nerveless - weather annual in zona where they can not go the winter . Nemesia strumosacan be grown in USDA zones 2 through 10 when cultivate as a nerveless - weather annual , thanks to its adaptability to various climates when the temperature is moderate . However , Nemesia caeruleais a legal tender perennial that is winter hardy to USDA zone 9 - 10 but is often acquire as an one-year in colder regions . For optimal growing in these zones , Nemesia prefers cool temperatures , blooming best in early spring or fall , with public presentation declining in the heat of summer in zones lower than 9 . Thus , gardeners in warmer geographical zone ( 9 and 10 ) can enjoy Nemesia as a perennial , while those in cool zones will set them anew each twelvemonth for their delicious springtime and gloam display .

Nemesia Plant: Characteristics

Nemesia Plant: Cultivation

Soil

pH

sun

Watering

Temperature

Planting

Spacing

Fertilization

Deadheading

Pest and Disease Control

Propagation

Winter Care