Rose Supreme, Happy End and Friendship are improved varieties of

Answer: Option B

Rose Supreme, Happy End and Friendship are improved varieties of Gladiolus.
Rose supreme variety takes about 103 days for flowering; spike length 93 cm; 15 florets per spike; floret colour light peach; cormel production 24 per plant.
Happy end variety requires about 82 days for flowering; spike length 65 cm; 10 florets per spike; floret colour salmon carmine rose with yellow throat, cormel production 37 per plant.
Friendship variety takes about 86 days for flowering; spike length 78 cm; 12 florets per spike; floret colour carmine rose with yellow throats; cormel production 15 per plant.