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Descriptions of Registered Cultivars 
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Boronia 'Heaven Scent'

Boronia megastigma 'Heaven Scent'

ORIGIN: Boronia 'Heaven Scent' is a form of the Boronia megastigma which originated from a batch of seedlings raised at Crystal Waters Nurseries in Victoria. The cultivar was first received by the Authority in June 1984. Registration applied for by W and J van de Horst, PO Box 158, Wandin North 3139.

DESCRIPTION: This cultivar grows to a height of .5m by .3m wide. It has a compact and symmetrical shape and the shrub is very dense. The flowering period is from September to October. The colour of the flowers does not differ from those of the usual form.

DIAGNOSIS: The diagnosis is prepared comparing the cultivar against the most common, or "normal" form of the species.

B. megastigma

B. 'Heaven Scent'

1.5-2m x 1m; open

.5m x .3m; compact

multi-branched shrub

multi-branched shrub

flowers ca. 8-9mm diameter

flowers ca. 5mm diameter

considerable leaf drop after flowering.

less leaf drop after flowering.

The cultivar is more resistant to Boronia rust disease, is more floriferous and the flowers are held on the plant for a longer period of time. The last factor extends the flowering season by some weeks.

CULTIVATION NOTES: The drought and frost hardiness of the cultivar are similar to other forms and cultivars of B. megastigma. Vegetative propagation must be used to preserve the cultivar form.

ACRA REFERENCES: ACC335; ACRA106/101; CBG8406526/8406218.