Putnam County Master Gardener Association

Welcome to the Putnam County Master Gardener Association webpage! We're located in Putnam County, Indiana and have a strong and active membership who serve as Purdue Extension Master Gardeners. There are Master Gardener programs, in 49 states that are accredited through each state's land grant university (more info). In Indiana, Purdue University, Department of Horticulture and Landscape Architecture in West Lafayette, Indiana is the home of the Purdue Extension Master Gardener program

Seed Libraries in Putnam County

Seed Library

The Putnam County Master Gardener Association maintains 8 different seed libraries throughout Putnam County. These boxes contain a variety of vegetable, herb, and flower seeds. Each box may contain different plants.

Seed Libraries are located at:

  • Bainbridge Christian Church
  • Belle Union Fire Department
  • Cloverdale Christian Church
  • Fillmore - Near the gazebo on the walking trail near County Road 475 East
  • Morton
  • Reelsville Community Center
  • Outside Harris Hall at the Putnam County Fairgrounds
  • Near the covered bridge near the pollinator garden at Forest Hill Cemetery in Greencastle

Starting Seeds Indoors 

Growing seeds indoors can be very rewarding; however, you may have questions about seed selection, what containers to use, what soil mix to use, how to seed and care for the new plants, along with questions about transplanting the new plants outside during the growing season.  For more information about that starting seeds indoors, please review Starting Seeds Indoors, HO-14-W, from Purdue University Extension.  

Here is information on when to start a few of the common vegetable and annual flowers indoors. For a more thorough list and information about average frost dates throughout Indiana, please review Starting Seeds Indoors, HO-14-W, from Purdue University Extension.  

List of plants and when you should start them indoors.
Time to Seed Before Last Frost  Plant Types  Germination Time (Days)  Growth Rate  Cold & Frost Tolerance After Hardening 
10 weeks Broccoli  6-10  medium good 
10 weeks Cabbage 6-10  medium good
7 weeks Tomato 6-10  medium none
7 weeks Pepper 7-14 medium good
4 weeks  Cucumber 4-6 fast none
4 weeks  Squash  4-6 fast none 
14 weeks Pansy 6-10 medium good
11 weeks Impatiens


medium none
10 weeks Petunia 6-12 slow-medium slight
9 weeks Snapdragon 7-12 medium medium
8 weeks Dianthus 5-7 medium medium
8 weeks Scarlet Sage (Salvia)  12-15 medium  none
8 weeks Statice 12-20 medium slight
7 weeks Phlox, Annual  6-10 medium-fast none
7 weeks Sweet Alyssum 4-8 fast slight
6 weeks Aster 8-10 medium slight
6 weeks Celosia (Cockscomb)  6-10 fast none
6 weeks Marigold 5-7 fast none
4 weeks Cosmos 5 fast none
4 weeks Zinnia 5-7 fast none

Source: Starting Seeds Indoors, HO-14-W, Purdue University Extension, November 2020

Gardening Resources

The Home Gardeners Guide provides new and experienced gardeners with information on planning, planting, and care of vegetables. It is important to note that planning is the first and most basic step in home vegetable gardening.  This publication provides you with information on how to design your garden plot including a table of information on row spacing, plant spacing, yield, number of seeds/plants per 50 feet, when to plant, and days ‘til first harvest for various vegetables.  This table can be found on page 3. Additionally, there is information about soil preparation, insect control, and specific vegetable information.

Timing is a huge factor in the success of a garden.  The Indiana Vegetable Planting Calendar can help you ensure that you are planting your garden at the correct time. This publication provides you with information about average last frost date in the spring and first frost date in the fall.  There is also a table (page 4) of information with optimal soil temperature range for a variety of vegetable plants.

Due to limited space availability and the ease of access, many individuals have started using raised beds and containers for the vegetable gardens.  In the Container and Raised Bed Gardening publication you will find information about ideal material to used for a raised bed or container, what growing media to use, and what vegetable plants can be grown successfully in a raised bed or container. 

Once your plants are growing, an issue that many gardeners face is insect issues. Gardeners’ can decide to tolerate the damage or attempt to prevent it.  Managing Insects In The Home Vegetable Garden will provide you with information about common vegetable garden insects, possible treatment methods, and harvest restrictions.  It is important to note that if you would utilize an insecticide on your vegetable plants, you need to read and follow all label instructions on the product that is used.  The label will have the most up-to-date information about harvest restrictions and application methods.

Annual flowers complete their life cycle in one year going from germination to seed production in one growing season.  Annual flowers are some of favorites of many home gardeners.  In the Growing Annuals publication, you will find information about site selection, soil preparation, planting, and maintenance of annual flowers.  Additionally, you will learn about specific gardening terms such as thinning, pinching, and deadheading.


Not sure what annual flowers will work best in your location?  Review the information provided in the Annual Flowers publication to expand your knowledge of the different annual flowers that can be grown in Indiana.  This publication has information on the sun requirement, height, when the flower will bloom and what color bloom the flower will have for over 30 different annual flowers.

Perennial plants traditionally live three years or longer under normal growing conditions.  Many gardeners have numerous perennials in their home landscape.  In the Growing Perennial Flowers publication, you will find information about site selection, soil preparation, planting, and maintenance of annual flowers.  Additionally, you will learn about specific gardening terms such as staking and propagation.  


Roses are a common perennial that many gardeners have in their garden.  There are many types of roses including hybrid teas, hybrid perpetuals, floribunda, grandiflora, polyantha, miniature, standard, and several different climbing roses. Purdue University’s Roses publication has information on the different types of roses, roses type selection, planting, rose care, winter production, insect issues, and disease issues.  This publication has several images to help you understand planting, pruning, and staking issues you may face while caring for your roses.

The Peony: State Flower of Indiana publication provides you with information about the different types of peonies, where you should plant them, soil preparation, and caring for the plants. Detailed information is given about the soil preparation and planting depth for new and recently divided plants in regards to crown placement.

Daylilies are an easy perennial to grow and a common perennial found in many landscapes. There are several different types of daylilies.  The Daylilies publication will provide you with a little history of the plant and how to care for the plant.  Detailed information is provided on how to divide daylilies.