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Variety traits

Penstemon flower stalk

Penstemon Schmidel.

In Penstemon, flower stalks are considered a key breeding trait that determines the plant's ornamental value, productivity, and lodging resistance.

In the reference 10 varieties crop Beard Tongue, where this is mentioned in the description.

The number of flower stalks and the length of generative shoots are target parameters in the breeding of the Penstemon genus. These indicators vary depending on the species: from dwarf forms about 20 cm tall, such as P. alpinus or P. pinifolius, to tall-growing ones reaching 100–120 cm.

Flower stalk length affects ornamental qualities for cut flowers and resistance to adverse weather conditions. Agronomic care includes pruning flower stalks after flowering to stimulate regrowth, while lack of light can lead to their deformation and a decrease in overall quality.

General information about the subject — on the page Peduncle.

Sources8

Varieties of Beard Tongue mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.