Join or Renew

Membership supports our mission and grows our nature-loving community. Enjoy special member pricing on programs and events and other benefits when you become a Member.

Become a Member or Renew Membership

Choose your desired Membership level below to renew Membership, and to purchase new and gift Memberships.


Student $25*

Join Now Renew

Gift a Membership

Single individual. Enjoy great Member Benefits listed below.


Our membership cards have gone digital!

This change helps reduce the carbon footprint by 162 lbs CO2 – equivalent to saving 4,050 sheets of paper!

Digital Card FAQ. Let us know if you need help getting your digital card. If you would like a paper membership card, call 302-239-2334.

Senior** $35

Join Now Renew

Gift a Membership

Single individual. Enjoy great Member Benefits listed below.


Individual $50

Join Now Renew

Gift a Membership

Single individual. Enjoy great Member Benefits listed below.


Household $75

Join Now Renew

Gift a Membership

2 adults + household children &/or grandchildren. Enjoy the great Member Benefits listed below PLUS discount and priority registration for Summer Camps over Non-member price.


Protector $150+

Donate to Join or Renew

When you donate at this level, you join an extraordinary, dedicated group of donors. You’ll receive a complimentary Membership as well as specially-designed benefits.

Patron $500+

Donate to Join or Renew

When you donate at this level, you join an extraordinary, dedicated group of donors. You’ll receive a complimentary Membership as well as specially-designed benefits.

Guardian $1,000+

Donate to Join or Renew

When you donate at this level, you join an extraordinary, dedicated group of donors. You’ll receive a complimentary Membership as well as specially-designed benefits.


Member Benefits


* Student level: Monthly billing available at $2.50 per month. Must be age 18+ and currently enrolled full-time in a bachelor’s or higher level program.
** Senior level: Must be age 60+.
† Adult level: Must be age 18+, not enrolled as a full-time student.
‡ Two (2) named adults and their children or grandchildren who are under the age of 18 and living at the same address.