Verbena bonariensis (Brazilian Vervain) [50 Seeds]
Germination Information: I recommend these seeds only for gardeners who have patience and are willing to experiment. In my experience, they are sometimes ridiculously easy to get going and sometimes slow to germinate.
Brazilian vervain seeds are quite small, so you may want to consider starting them in pots or cell packs. Scatter them as evenly as possible over the surface of moist growing medium and just press them in, or cover them with a very thin sprinkling of growing medium. Darkness is said to be necessary for germination, so covering the containers with an upside-down flat or piece of cardboard or black plastic may improve your results. (Remove the cover at the first sign of sprouting.)
Some sources advise setting sown seeds directly in warm conditions (around 70°F), and I have had luck with that (with germination in just 5 days, in one case). I have also found that giving the seeds a chilling period can produce good results. If you want to try that, you could enclose the containers in plastic bags and set them in your refrigerator for about 6 weeks before moving them to a warmer place. Or, if you’re sowing in late winter, just set the containers outside and they will sprout when conditions are right. (That’s by far the easiest approach, in my opinion, and it gives them alternating warm and cool temperatures, which seem to enhance sprouting.)
Yet another option is to sow the seeds directly in your garden in late winter into spring. Once you get the first plants to flowering stage, they are likely to self-sow for the following year.
Note that this information will not appear on the seed packet you receive.
Please read the description as well before ordering.
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Brazilian vervain (Verbena bonariensis), also known as purpletop vervain, produces dense clusters of lavender-purple flowers atop slender, 4- to 5-foot-tall stems from early or midsummer to frost. It self-sows freely.
Brazilian vervain tends to be perennial in Zones 6 or 7 to 10; elsewhere, it makes a showy annual. Butterflies love it, and it’s nice as a cut flower too. Best in full sun; it can take a bit of shade but may be somewhat sprawling and prone to mildew if it doesn’t get enough light. Be aware that Brazilian vervain can reseed to the point of becoming aggressive or even invasive in some areas (particularly in Zone 7 and south).
Harvested in September 2021. At least 50 seeds.
Please read the germination information as well before ordering.
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