The common name for the half hardy perennial Alonsoa is Mask flower.
It typically flowers from early summer to late september.
Alonsoa typically grow to be between 30 and 90 cm in height.
Mask flowers have pink, white or red petals with yellow stamens. They are normally grown as border plants or on a cutting bed.
Plants belong to the Scrophulariaceae family, and are thus closely related to the Figworts.
Alonsoa meridonalis 'Apricot' photograph by Anniesannuals.
It is best to sow Mask flowers just below the soil surface, with a spacing of 25 to 30 cm after the last frost of spring.
Alonsoa prefers to be grown in full sunlight. The soil should be well drained, light and fertile.
Alonsoa requires between 14 days and 21 days to germinate.
If initiating growth indoors, it is best to sow them seven weeks before the last frost of spring.
Alonsoa require to be staked if they become tall, ideally they should have their meristems pinched back when they reach 75 cm tall, this will promote bushy growth.
They are a good plant to use to attract ladybirds to your garden as they are prone to aphid attacks.