Possible Clues:

• Sounds as if one raised a few that are revolting
• Revolting, filling one with horror and disgust
• Shockingly repellent; inspiring horror
• Sounds as if one raised few so horrible as this in the garden
• Horrifying and revolting
• Sounds as if one raised a few that were horrible
• Ghastly, cultivated-sounding tones
• Sounds as if one raised a few that are horrible
• Horrible having become a bit taller, we hear
• Hideous, dreadful urge followed by a few