Buddleja davidii 'ElstB1' MAGDA'S GOLD KNIGHT buddleja, butterfly bush
size/type
medium-sized shrub,medium-sized shrub
usual height
1,5-2,5m
usual width
1,5-2,5m
leaves
deciduous broadleaf
colour of leaves
flowers
showy
colour of flowers
blooming time
July-September
location
full sun
soil type
any (acidic to alkaline)
soil moisture requirements
evenly moist (dislikes drought)
USDA zone (lowest)
5 (down to -29°C)
winter protection
for zone 5+6
for zone 7
categorized
Buddleja is better known as butterfly bush. The reason is obvious – from early summer when it starts blooming until early autumn it produces large, scented flowers that attract winged insects, mostly butterflies. Old varieties are commonly large shrubs, however, more and more modern plants are bred for smaller and compact growth. Natural mutation is a botanical term describing a spontaneously occurring change of original characteristics of a plant. Such mutations are often sought after by plant inventors because they are usually steady. One of them is a yellow or white variegation of leaves which in case of butterfly bush is quite unusual. Therefore, one might say that Jam Verdaasdonk who found it seems to have won the jackpot!
Description of the plant:
MAGDA’S GOLD KNIGHT is a natural mutation of Black Knight butterfly bush offering the same deep indigo violet blue flowers and yellow to chartreuse variegated foliage. The conical inflorescence is rather slim, 20-25 cm long, and composed of thin, funnel-shaped flowers with orange throat. They are strongly and sweetly fragrant and bloom from early July until autumn if you regularly deadhead spent flowers. Deciduous leaves are broadly elliptic, partly hairy. MAGDA’S BLACK KNIGHT is a fast growing bush with arching branches and somewhat loose habit.Butterfly bush requires little care. Still, we strongly recommend hard pruning every spring to low permanent framework when buds begin to swell. Plant it in full sun, in well-drained humus-rich soil. It will die in boggy soil after winter. Though hardy to -29°C (USDA zone 5) it performs better in warmer zones. We suggest buying older plants with woody framework for planting in colder areas.
Last update 13-07-2020
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GLOSSARY
- STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
- DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
- EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
- STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
- HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
- SHRUB - a woody plant with branches growing bushy from the ground level.
- HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
- FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
- GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
