Where can I buy Penstemon seeds, and how do I grow the seedlings?
As an evergreen plant, Penstemon not only has rich and colorful flower colors, including pure white, turmeric, peach red, light purple, deep purple and other colors, but also has large flowers. It is this colorful characteristic that makes it very endearing. So where can I buy Penstemon seeds? How do I grow the seedlings? Let's learn about it together below.
Where can I buy Penstemon seeds?
Penstemon seeds are sold in many places, generally available at flower markets in various regions, and can also be bought from seed sellers. They can also be purchased online, both online and offline. No matter where you buy seeds, you must choose a regular and reliable merchant to ensure seed quality, so that you do not spend money yet fail to buy good seeds.
The prices of Penstemon seeds on the market vary, some high and some low. When buying seeds, we cannot blindly seek cheap prices just to save money and thereby ignore seed quality, which leads to buying inferior seeds with very poor germination and poor flower growth, affecting the ornamental effect. That would not be worth the loss.
What are the seedling growing methods for Penstemon?
1. Sowing and seedling growing
This is mostly done in autumn, and seeds can be sown immediately after harvest. The seedling stage is delicate, so attention should be paid to keeping the substrate moist, often by sprinkling water or soaking the pot.
2. Cutting propagation
Superior varieties can be propagated by cuttings in autumn, and cuttings can be taken in October. Choose strong-growing tender shoot tips after flowering, cut them into cuttings about 10 cm long, disinfect the cut area with carbendazim or captan, then insert them into a sterilized sand cutting bed or a shallow pot. Keep humidity and provide appropriate shading; roots will form in about 30 days. Rooted plants can be potted and planted.
3. Division method
This is mostly chosen in spring. Within the few days when the mother plant has just revealed new buds, dig up the mother plant's soil ball or remove it from the pot, determine the new divided plants according to the sprouts, cut the new plants away from the mother with a knife, and plant them directly. After planting, water thoroughly, and the root system can quickly expand into a sizable plant.
Care points for Penstemon
Penstemon prefers a sunny, humid, and well-ventilated environment. It is not cold-tolerant and is slightly tolerant of partial shade. Penstemon dislikes hot, dry conditions and acidic soil, and must have good drainage. Fertile sandy loam containing lime is better.
Penstemon blooms from May to June or from July to October. During the growth period and before and after flowering, pay attention to timely fertilization so that the flowers are large and brightly colored. Penstemon is not cold-tolerant, so after flowering the plants should be protected for overwintering. In northern regions, potted plants should have their upper dead branches cut off from late September to early October, then be removed from the pot and placed in a sunny cold frame to overwinter; ground-planted ones should have their aboveground parts pruned in late autumn and be watered with antifreeze water for protection during overwintering. Whether potted or ground-planted, general cultivation and management are relatively simple. During the growth period, pay attention to watering; keeping it often moist is beneficial to growth. In hot and rainy summer areas, attention should be paid to drainage, especially in the rainy season, to prevent death from excessive rainwater and overly high soil moisture.
Penstemon flowers are very beautiful and have extremely high ornamental value. Most importantly, it is very tolerant of poor soil and cold, and has extremely low requirements for soil fertility. It does not need frequent fertilization or frequent watering, so it can be called an excellent lazy person's plant.
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