Here in Phoenix, Arizona, we average 8 inches / 20cm rainfall per year, but this is extremely variable. 40% of the rain falls between November and March, and 60% between late July and September. Summer temperatures are routinely far over 100 F / 38C and overnight winter lows are routinely down to freezing, rarely to the high teens F / -8C. Winter daytime temperatures are always well over freezing. I don't have a lot of bulbs in the ground, and I don't have much experience with them in the ground, but these are bulletproof here: Several dozen Amaryllis beladonna make lovely foliage every year. I saw one inflorescence once and I don't know what I did differently that year. I got seed which is growing slowly. Dichelostemma pulchellum is of course native here, and it can be almost weedy in gardens. An unnamed Freesia hybrid has been blooming each late winter for over 15 years even though it is in a bed that gets summer watering. Hippeastrum hybrids aren't in the ground here at Castillo San Miguel, but they form large beds in many parts of Phoenix on the east sides of houses. Lycoris radiata grows and flowers well most of the time. Sometimes it skips a year flowering. The other Lycoris don't live past the first summer. Paperwhite narcissus bloom and multiply reliably each year for over 20 years, the only Narcissus I've been able to keep very long. Rhodophiala bifida (sterile) is completely bulletproof even with ample summer watering. Leo Martin Phoenix Arizona USA