uncongenial

not suitable to your tastes or needs

• “the uncongenial roommates were always fighting”
• “the task was uncongenial to one sensitive to rebuffs”

very unfavorable to life or growth

• “a hostile climate”
• “an uncongenial atmosphere”
• “an uncongenial soil”
• “the unfriendly environment at high altitudes”

used of plant stock or scions; incapable of being grafted