Botanical gardens and arboretums rely on a small year-round horticultural core and a large spring and summer crew, so benefit design has to bridge long winters and short hiring windows.
Everything below is general information for planning purposes. Plan rules, carrier availability and legal requirements change, so confirm specifics with counsel and your carrier before you decide.
Horticulturists, plant collections curators, greenhouse technicians, arborists, groundskeepers and irrigation specialists form the technical center of a garden. Their work is outdoors, physical and weather dependent, with pruning, planting and winter protection compressed into particular months. Many hold degrees or certifications, yet pay often stays modest. Few of these roles pay well, so benefits carry weight in hiring.
Education and visitor teams add program coordinators, school tour guides, event and wedding staff, volunteer coordinators, shop and cafe employees and development officers. Michigan’s growing season concentrates attendance and events between late spring and fall, while the winter calendar brings reduced hours and a smaller roster. Plant sales, wedding rentals and holiday light shows create bursts of paid work.
Many Michigan gardens are nonprofits with boards and memberships, and some are affiliated with universities or operated by municipalities. Those differences matter. A university employee may sit in a larger plan, a city gardener may fall under Public Act 152, and a nonprofit staff member relies on whatever the board can fund.
The seasonal rhythm makes eligibility tricky. Spring hires may exceed thirty hours a week for months and then drop to nothing, while year-round gardeners work reduced winter hours. Without a clear measurement method, a garden can offer coverage inconsistently or leave full-time obligations unnoticed. Employees should know their status in writing.
CFH works with gardens and arboreta through a dedicated team. We build a plan structure for core and seasonal staff, review the market ahead of the board’s budget cycle, support hours measurement and ACA reporting, create enrollment guides suited to outdoor crews, and stay reachable when your administrators have questions. Printed one-page summaries live in the break room.
Even large botanical institutions have a modest permanent roster, so the plan should be sized to the core team and then stretched sensibly to the seasonal crews who return each year.
Smaller teams (under 50 full-time equivalents)
What we do about it: With two to fifty employees, a garden usually compares fully insured with level-funded plans, protects the horticulture core, and sets a plain rule for when seasonal staff can enroll.
Growing teams (50 to 249)
What we do about it: At fifty-one to 249 employees, an arboretum with a busy event business reports under the ACA, uses a documented look-back period for seasonal staff, and may separate contributions for horticulture and visitor teams.
Larger teams (250 and up)
What we do about it: From 250 to 999 employees, a major garden or a university-connected arboretum can examine self-funding with stop-loss, coordinate with institutional plans, and shape benefits for a large seasonal pool.
Benchmarking looks at how your contributions and plan richness compare with similar nonprofits and cultural attractions, giving the board evidence on whether a competitive offer for horticulturists is within reach of the budget.
Pharmacy benefit review covers allergy, asthma and chronic condition medications, which matter for staff outdoors in pollen season, and checks that formulary tiers do not create avoidable cost for long-term employees on regular prescriptions.
Wellbeing and onboarding support addresses sun, heat, tick and chemical safety education, lifting and ergonomics, and clear plan explanations for new hires who start in April and need to choose coverage before their first busy event weekend.
Many gardeners shift to indoor propagation, planning or reduced schedules from winter onward. A plan that ties eligibility to a measured average, rather than to any single month, keeps core employees covered and prevents surprise losses of coverage after a slow season. Clear notice a month ahead helps employees plan.
Falls, tool injuries, heat illness and chemical exposure are work injuries that workers compensation addresses, while the health plan handles ordinary illness. Staff need simple guidance on which to use so treatment is not delayed by questions about billing. Posting a simple chart in the break room helps everyone remember.
Weddings, plant sales and holiday light programs bring temporary event crews with irregular hours. Defining which positions are eligible, and for how long, keeps these short engagements from becoming accidental full-time obligations under the ACA measurement rules. Decide ahead of time whether event staff are eligible, and for how long.
Gardens affiliated with a university or municipality may share plans, policies or approval processes with a parent. We clarify who decides, who pays and what plan options exist, so staff are not caught between a garden’s budget and a parent institution’s schedule. A one-page chart of decision makers saves weeks.
Boards often approve budgets in a narrow window, and insurance renewals rarely align. By starting the market review early and presenting ranges of contribution levels, the benefits lead gives trustees what they need to approve a plan before the deadline. Presentations can be short and focused on contribution levels.
Gardens depend on volunteers, interns and stipended fellows. Their status affects eligibility, reporting and workers compensation, so written definitions of each role help the garden avoid misclassification and make sure only the right people appear on plan enrollment files. Interns on stipends are a frequent source of confusion.
Eligibility follows the plan’s rules and the ACA look-back approach. If the garden uses a measurement period, an employee averaging thirty hours a week or 130 hours a month is treated as full-time for the stability period that follows. The plan may also set a waiting period, up to ninety days, which fits well with a spring training schedule. The enrollment window then opens, and written deadlines prevent confusion.
Not necessarily. An employee measured as full-time generally remains eligible through the stability period even if hours dip, and many plans use a look-back approach for exactly this reason. The garden should document the measurement period, notify affected employees ahead of time, and review whether its own plan rules are more restrictive than the ACA requires. Notices should arrive well before the first reduced-hours pay period.
Volunteers who are not employees do not count toward eligibility, but once a person is hired, hours and plan rules apply from the start date. Written offer letters should state the role, expected schedule and benefits eligibility. Keeping the record clean avoids disputes about whether earlier volunteer time counts toward waiting periods, which it generally does not. Hiring paperwork should note the first paid day. Payroll then starts the clock at the correct date.
With few permanent employees, the plan should be simple and stable: one or two medical options, a defined contribution approach and voluntary dental and vision. We compare fully insured and level-funded quotes, review the carrier network around the garden, and check that a single high-cost claim would not overwhelm the budget. Dependents and family coverage should be priced carefully. A simple cost sheet helps staff compare.
Employees of a university usually participate in the university’s own plans, while a separately incorporated friends group or foundation that staffs the arboretum may have its own. The employing entity determines the plan. We help the organization sort out which entity employs which person before reviewing options, so the right benefits and compliance rules are applied. Hiring documents should name the employer clearly. That detail guides every later benefits decision.
Different contributions by class are common, but classes should be based on legitimate job categories, and nondiscrimination testing can apply to some plan types. We review the proposed structure with the garden before it is adopted, checking that the classes make sense and that the plan documents describe them consistently. Classes should never be drawn around named individuals. Documentation of the reasons protects the garden.
A PEO can take on payroll, administration and a pooled plan, which appeals to a garden with a lean back office. The trade-off is less control over plan design and data. We compare the PEO offer with a direct group plan, considering the garden’s size, its seasonal pattern and what its board wants to manage in-house. Garden boards often prefer to retain control of design. Employee satisfaction with the PEO’s support should be tested.
The employee’s eligibility date depends on the waiting period in the plan, and the enrollment window begins when eligibility starts. Busy event weeks make it easy to miss deadlines, so the garden should hand new hires a one-page summary with dates and a contact. Late enrollment generally has to wait for the next open enrollment period. Orientation checklists should include the benefits deadline. Supervisors need a reminder before the day itself.
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