EXHIBIT
31.2


CERTIFICATIONS
OF THE CHIEF FINANCIAL OFFICER


UNDER
SECTION 302 OF THE SARBANES-OXLEY ACT





I,
H.  MacGregor Clarke, certify that:





1. 
I have reviewed this report on Form 10-Q for the period ended September 30,
2008, of AeroGrow International, Inc.;





2. 
Based on my knowledge, this report does not contain any untrue statement of a
material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not
misleading with respect to the period covered by this report;





3. 
Based on my knowledge, the financial statements, and other financial information
included in this report, fairly present in all material respects the financial
condition, results of operations and cash flows of the registrant as of, and
for, the periods presented in this report;





4. 
The registrant’s other certifying officer and I are responsible for establishing
and maintaining disclosure controls and procedures (as defined in Exchange Act
Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as
defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and
have:





(a) Designed such disclosure controls
and procedures, or caused such disclosure controls and procedures to be designed
under our supervision, to ensure that material information relating to the
registrant, including its consolidated subsidiaries, is made known to us by
others within those entities, particularly during the period in which this
report is being prepared;





(b)  Designed such internal
control over financial reporting, or caused such internal control over financial
reporting to be designed under our supervision, to provide reasonable assurance
regarding the reliability of financial reporting and the preparation of
financial statements for external purposes in accordance with generally accepted
accounting principles;





(c)  Evaluated the
effectiveness of the registrant’s disclosure controls and procedures and
presented in this report our conclusions about the effectiveness of the
disclosure controls and procedures, as of the end of the period covered by this
report based on such evaluation; and





(d) Disclosed in this report any change
in the registrant’s internal control over financial reporting that occurred
during the registrant’s most recent fiscal quarter (the issuer’s fourth fiscal
quarter in the case of an annual report) that has materially affected, or is
reasonably likely to materially affect, the registrant’s internal control over
financial reporting; and





5. 
The registrant’s other certifying officer and I have disclosed, based on our
most recent evaluation of internal control over financial reporting, to the
registrant’s auditors and the audit committee of the registrant’s board of
directors (or persons performing the equivalent functions):





(a) All significant deficiencies and material weaknesses in the design or
operation of internal control over financial reporting which are reasonably
likely to adversely affect the registrant’s ability to record, process,
summarize and report financial information; and





(b) Any fraud, whether or not material, that involves management or other
employees who have a significant role in the registrant’s internal control over
financial reporting.




Date:  November
      6, 2008
            By:
            /s/ H.  MacGregor
      ClarkeH. 
      MacGregor ClarkeChief
      Financial Officer
              (Principal
      Financial Officer)