B and T World Seeds' reference number: 24412
USDA average, annual, minimum temperature Zone:4
Type of plant - perennial
Flower: deep LAVENDER-BLUE, dense spikes
Fruit: .......................(germ. 1-2 weeks)
Foliage: lance., 7-10cm. long, serrated
Height in meters: 1.2
Pseudolysimachion longifolium seeds may be subject to seasonal availability

Synonyms (alternative names) for Pseudolysimachion longifolium: Veronica longifolia,  Veronica maritima,  Veronica septentrionalis, 

Common names for Pseudolysimachion longifolium: Beach Speedwell,  Garden Speedwell,  Langblattriger Ehrenpreis, 

Pseudolysimachion longifolium is included in the following B and T World Seeds flowering plant categories:
36:   Herb Seed List Culinary Medicinal Dye and Aromatic
43:   Herbaceous Border Plant Seed List
44:   Cut flowers Commercial and other Recommended Varieties
45:   Bee and Butterfly Attracting also Honey and Pollen Plant Seeds
56:   Aquatic and Semi aquatic Plant Seeds
72:   Russian Native and Introduced Plants (Central)
74:   West Asian Native and Introduced Plants
77:   Central European Native and Introduced Plants
185:   Plant Species whose germination is improved by Smoke
564:  Plantaginaceae
618:  Scrophulariaceae
952:   Wholesale Selection

Germination guide
Pseudolysimachion longifolium seeds will usually germinate in 15-30 days. Normally will only germinate with light so surface sow. Sow seeds about 1mm deep in a Peaty seed sowing mix at about 20°C.

Reduce soil temperature at night.