Its scientific name is Lupinus polyphyllus and is a plant native to the northwestern part of the United States. From there it has spread to a large part of the world for its great ornamental qualities. Learn all about how to plant lupine seeds in this article.
The lupine is a legume that can be perennial or annual. In the aerial part of the plant, we distinguish two parts, the foliage which is green with alternate leaves and petiolate. The other part is the flowers that by their shape and color we can say that they have their own entity.
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How to Plant Lupine Seeds
To grow lupine, we need alkaline soil with a good drainage system. Several of the diseases that can attack this plant are produced by various fungi that, as we know, grow easily in poorly or poorly drained soils. Follow these steps to learn how to plant lupine seeds.
1- Soak the lupine seeds overnight.
2- Prepare a substrate rich in organic matter and with good drainage, if you want to improve drainage you can add perlite.
3- Place the seeds on the soil and cover them with a thin layer of soil again.
4- Make sure the seedlings have a temperature of at least 64 °F (18 °C) to germinate properly, because if the temperature is lower, they may not germinate.
5- In approximately 10 to 20 days the seeds will germinate.
Remember the best time to plant lupine from seed is in the spring. Another way to multiply lupine is by division and this will be done in early autumn, as soon as the flowering period is over. You should buy lupine seeds here.
When Should it be Sown? Suitable Dates or Seasons
Lupine does not tolerate cold so they should be planted when there is no longer danger of low temperatures. Ideally, lupine should be planted in late spring to germinate properly.
Pests and Diseases of Lupines
It does not have excessive problems. In fact, the function of the aforementioned alkaloids is precisely a defense mechanism of the plant against the ingestion of herbivores and certain pests such as aphids, thrips, etc. That is why it is so rustic. They can suffer from cryptogamic diseases such as Fusarium or Botrytis but it is not common. Perhaps if it occurs in climates somewhat more humid than it should or excessive watering. In a normal crop, they should not appear.