Summertime solution
by Kegler

Summertime solution grid

Across
5F(OLd)LOW
7STUDENTS (SUDS TENT anag)
10IN(CON + C)ERT
11ANGST (GNATS anag)
12PO(R)TS
13B(R)EACHES
16ARTEMIS (ARM I SET anag)
19SADIRON (IN ROADS anag)
20EDEN + T + ATE
22TA + HOE
24ADDER (DREAD anag)
26POND + EROSA (AROSE anag)
27PIT + CHIN + G (TIP rev)
28B(ARK)ED
Down
1JOIN(T)S
2S,T + UTTER + S
3ADVANCE + D (CAVE AND anag)
4SNUG (GUNS rev)
5F(AIRP)LAY (PAIR anag)
6L(ACE) + R + ATED (DATE anag)
8SITE ("SIGHT" hom)
9HER + B
14EARTHWORK (THROW RAKE anag)
15IN DEMAND (rev hidden)
17MONARCHS (CORN MASH anag)
18S(N)APPING
21ERNS ("EARNS" hom)
22TO(ECA)P (ACE rev)
23LAM + P
25DAT + E (TAD rev)