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酸枣的开花曲线属单Ｓ型，单花开放以枣吊４—７节的零级蕾最早，浙及高的节位和级次；依裂蕾时间，酸枣可分为昼开型和夜开型，二者分别集中在１１： ００—１３： ００和 ２ ３：００—１：００裂蕾；套袋条件下，部分酸枣类型有较强的自花结实能力；据２９个品种和类型的调查，自然生长条件下，酸枣的落花和落果率分别为９５．２０ ± ３．１１％和５３．２４±３２．８３％；落花呈单峰曲线，落果则为双峰曲线，前期落果约占８０％。
Jujube flowering curve is a single S-type, open a single flower jujube hanging section 4-7 bud zero ear buds first, Zhejiang and high node and grade; according to crack bud time, jujube can be divided into day-type and night open Type, the two were concentrated in the 11: 00-13: 00 and 23: 00-1: 00 crack bud; bagging conditions, part of the jujube types have a strong self-flowering ability; according to 29 varieties and types Under natural growing conditions, the rate of falling and falling of wild jujube was 95.20 ± 3.11% and 53.24 ± 32.83%, respectively. 80%.