Categorie: Nieuw 2023

PENSTEMON digitalis MYSTICA (primed seeds)

  • Mystical beauty best discribes the season long elegance of Penstemon Mystica
  • Beginning with bronze rosettes in the early spring, Mystica develops multiple flower stems with exceptionally large light lavender pink flowers during the early summer
  • Fall brings yet another treat as the foliage turns to a rich red color
  • At 28-32″ (70-80 cm) tall in the garden, Mystica adds a stately grace to the perennial garden
  • Requiring vernalization, this classic perennial blooms for an extended period during the early summer months
  • Long lived, Mystica thrives in a wider range of soil types than most Penstemons
  • Mystica attracts butterflies and hummingbirds into the perennial garden and is long lasting as a cut flower

0,032 excl. btw

Staffelprijzen
Koop 250 zaden voor 0,032 per stuk
Koop 1.000 zaden voor 0,02 per stuk
Aantal

Usage

Plants for border and landscape, container plants for patio, plants attract bees and butterflies, cut flower production

Sow time

January-March for green pots; June-August for flowering in pots the following year

Sowing method

1 seed per plug

Germination

10-15 days at 68-72 °F (20-22 °C). Cover seed lightly with coarse vermiculite and maintain moist but not saturated soil moisture levels

Growing on

Transplant plugs 5-8 weeks after sowing into a well drained media with a pH between 6.2-6.8. Grow on at 55-65 °F (13-18 °C). Fertilize weekly at 200 ppm nitrate nitrogen in a 2-1-2 ratio mix. Plants require vernalization to flower.

Media

Use a well-drained, growing substrate with 15-30 % clay, 0-20 % parts (e.g. bark, perlite, sand), 1,5-3 kg/m³ complete balanced fertilizer, 0-3 kg/m³ slow release fertilizer (3-9 months), iron-chelate, micronutrients, pH: 5.8-6.2. Field: sandy humus soils with good drainage. Standard fertilization: 80-100 g/m² of a slow release fertilizer.

Temperature

Grow at 13-18 °C or outdoors. In winter indoors frost free at 3-5 °C or outdoors. Outdoor fleece cover needed. In spring the plants start to grow at 13-18 °C. A chilling period (vernalization) is required for flower initiation. P. digitalis can also made to flower earlier in the polytunnel.

Fertilization

High fertilization levels are required. Fertilize the crop weekly with 100-150 ppm nitrogen (at 3 kg/m³ slow release fertilizer in substrate), using a complete balanced fertilizer. Avoid high ammonium and high nitrogen levels. Don’t fertilize after mid September. In spring fertilize 100-150 ppm nitrogen of a potassium balanced fertilizer (N: K₂O-ratio: 1:1,5). Prevent magnesium deficiency by applying magnesium sulphate (0,05 %) 1-2 times and in case of iron deficiency (above pH 6.0) apply iron-chelate for 1-2 times. Field: If necessary according to analysis, improve the soil with 80-100 g/m² of a slow release fertilizer, applied in several portions. Take care of a good micro nutrition supply to the plants.

“Information copied from the breeder.
Muller will not accept any liability for failure and/or damage as a consequence of incorrect and/or inexpert cultivation by or on behalf of the Buyer.”

 

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