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Alonia™ Bicolor Violet Angelonia angustifolia

Angelonia angustifolia Alonia Bicolor Violet

A heat-loving annual with striking bicolor violet and white flower spikes.

Plant Type
Annuals
Width
12-14 In.
Height
10-14 In.
Sun requirements
Full Sun, Part Shade
Plant developer
Danziger

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About Alonia™ Bicolor Violet Angelonia angustifolia

Alonia™ Bicolor Violet is a compact Angelonia in Danziger’s ALONIA™ series, with upright spikes of violet and white flowers. The breeder describes it as early flowering, heat tolerant, and suitable for both pots and landscape plantings. ## Flowers and Landscape Use The plant forms a neat, upright accent for sunny borders, repeated groups, and mixed containers. Danziger lists mature dimensions of 10–14 inches tall by 12–14 inches wide. Angelonia’s snapdragon-like flowers commonly continue through summer and into fall in warm weather; NC State Extension describes the species as a long-blooming summer plant. [Danziger cultivar page](https://www.danzigeronline.com/catalog/annuals/alonia-bicolor-violet/) · [Danziger 2026–27 catalog](https://www.danzigeronline.com/files/smart-view/annuals_26_na/) · [NC State Extension](https://plants.ces.ncsu.edu/plants/angelonia-angustifolia/) · [Illinois Extension](https://extension.illinois.edu/flowers/angelonia) ## Siting Grow in full sun for best flowering in fertile soil that stays evenly moist but drains freely. Angelonia tolerates summer heat and humidity; in cooler regions it is usually planted as a warm-season annual, while mild climates may support perennial growth. ## Maintenance Water during establishment and prolonged dry spells. NC State notes that routine deadheading is unnecessary. Watch for aphids and powdery mildew, especially where airflow is limited.